Two cells of emfs `E_(1)` and `(E_(2) (E_(1) gt E_(2))` are connected as shows in Fig. `6.45`. When a potentiometer is connected between `A` and `B`,

Two cells of emfs `E_(1)` and `(E_(2) (E_(1) gt E_(2))` are connected as shows in Fig. `6.45`. When a potentiometer is connected between `A` and `B`,
by

1 Answer

Answer :

Two cells of emfs `E_(1)` and `(E_(2) (E_(1) gt E_(2))` are connected as shows in Fig. `6.45`. When a ... `3:1` B. `1:3` C. `2:3` D. `3:2`
by
selected by

Related questions

Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are increased two times, then null point length will rema

Description : Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are increased two times, then null point length will rema

Last Answer : Assertion : In case of potentiometer experiment, if emfs of known and unknown both batteries are ... If Assertion is false but Reason is true.

Two nonideal batteries are connected in parallel. Consider the following statements: (A)The equivalent emf is smaller than either of the two emfs. (B)

Description : Two nonideal batteries are connected in parallel. Consider the following statements: (A)The equivalent emf is smaller than either of the two emfs. (B)

Last Answer : Two nonideal batteries are connected in parallel. Consider the following statements: (A)The equivalent emf is ... wrong D. Both A and B are correct

the nonideal batteries are connected in series. Consider the following statements : (A)The equivalent emf is larger than either of the two emfs. (B) t

Description : the nonideal batteries are connected in series. Consider the following statements : (A)The equivalent emf is larger than either of the two emfs. (B) t

Last Answer : the nonideal batteries are connected in series. Consider the following statements : (A)The equivalent emf is ... wrong D. Each of A and B is wrong

In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of the potentiometer wire. If the cell is

Description : In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of the potentiometer wire. If the cell is

Last Answer : In a potentiometer experiment, the galvanometer shows no deflection when a cell is connected across `60 cm` of ... ` C. `1.2Omega` D. `1.5Omega`

Two cells of emfs approximately 5V and 10V are to be accurately compared using a poteniometer of length 400 cm.

Description : Two cells of emfs approximately 5V and 10V are to be accurately compared using a poteniometer of length 400 cm.

Last Answer : Two cells of emfs approximately 5V and 10V are to be accurately compared using a ... usually used for comparing resistances and not voltages

A potentiometer wire is `100 cm` long hand a constant potential difference is maintained across it. Two cells are connected in series first to support

Description : A potentiometer wire is `100 cm` long hand a constant potential difference is maintained across it. Two cells are connected in series first to support

Last Answer : A potentiometer wire is `100 cm` long hand a constant potential difference is maintained across it. Two cells are connected ... C. `3 : 2` D. `5 : 1`

All the metal ions contain `t_(2g)^(6)e_(g)^(0)` configuaration. Which of the following complex will be paramagnetic ?

Description : All the metal ions contain `t_(2g)^(6)e_(g)^(0)` configuaration. Which of the following complex will be paramagnetic ?

Last Answer : All the metal ions contain `t_(2g)^(6)e_(g)^(0)` configuaration. Which of the following complex will be paramagnetic ? ... `[Fe(CN)_(5)(O_(2))]^(-5)`

Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13.6 Z^(2))/(n^(2))` When this excited makes a transition from e

Description : Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13.6 Z^(2))/(n^(2))` When this excited makes a transition from e

Last Answer : Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13. ... number of atom and the intial state or excitation.

A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a reding of `1.5 A`. Then, the erro

Description : A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a reding of `1.5 A`. Then, the erro

Last Answer : A `1 Omega` resistance in series with an ammeter is balanced by 25 cm of potentiometer by 50 cm. The ammeter shows a ... B. 3A C. `1.3 A` D. `0.3A`

When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But

Description : When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, the voltmeter reading shows 0.99 ... resistance of the battery, in Ohm , is (A) 150 (B) 100 (C) 50 (D) 200

Last Answer : When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, ... resistance of the voltmeter is 1100 Ohm , the internal resistance of the battery, in Ohm , is 100

An electron in potentiometer experiences a force `2.4xx10^(-19)N`. The length of potentiometer wire is 6m. The emf of the battery connected across the

Description : An electron in potentiometer experiences a force `2.4xx10^(-19)N`. The length of potentiometer wire is 6m. The emf of the battery connected across the

Last Answer : An electron in potentiometer experiences a force `2.4xx10^(-19)N`. The length of potentiometer wire is 6m. The emf of ... 6 V B. 9 V C. 12 V D. 15 V

A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a resistance box and a 2 volt battery. If a potent

Description : A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a resistance box and a 2 volt battery. If a potent

Last Answer : A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a ... Omega` C. `190 Omega` D. `90 Omega`

A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a resistance `R` and a cell of emf `2V` of negli

Description : A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a resistance `R` and a cell of emf `2V` of negli

Last Answer : A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a ... Omega` C. `790 Omega` D. `840 Omega`

A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in series with the wire and an accumulator of e.

Description : A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in series with the wire and an accumulator of e.

Last Answer : A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in ... Omega` C. `44 Omega` D. `48 Omega`

AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a resistance R = 40 `Omega` and a battery

Description : AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a resistance R = 40 `Omega` and a battery

Last Answer : AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a ... `1.6V` C. `0.08V` D. `0.16V`

A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omeg

Description : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omeg

Last Answer : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance ... 0.01Vm^(-1)` D. `0.1Vm^(-1)`

Potentiometer wire of length `1 m` is connected in series with `490 Omega` resistance and `2 V` battery. If `0.2 mV/cm` is the potential gradient, the

Description : Potentiometer wire of length `1 m` is connected in series with `490 Omega` resistance and `2 V` battery. If `0.2 mV/cm` is the potential gradient, the

Last Answer : Potentiometer wire of length `1 m` is connected in series with `490 Omega` resistance and `2 V` battery. If ... 7.9Omega` C. `5.9Omega` D. `6.9Omega`

Fig. 6(b).54. shows a thin lens with centres of curvature `C_(1) and C_(2)`. If `mu = 1.5`, what is its focal length ?

Description : Fig. 6(b).54. shows a thin lens with centres of curvature `C_(1) and C_(2)`. If `mu = 1.5`, what is its focal length ?

Last Answer : Fig. 6(b).54. shows a thin lens with centres of curvature `C_(1) and C_(2)`. If `mu = 1.5`, what is its focal length ?

A potential energy curve `U(x)` is shown in the figure. What value must the mechanical energy `E_(mec)` of the particle not exceed, if the particle is

Description : A potential energy curve `U(x)` is shown in the figure. What value must the mechanical energy `E_(mec)` of the particle not exceed, if the particle is

Last Answer : A potential energy curve `U(x)` is shown in the figure. What value must the mechanical energy `E_(mec)` of the particle ... 3 J B. 5 J C. 6 J D. 8 J

Which of the following most readily undergoes `E_(2)` elimination with a strong base?

Description : Which of the following most readily undergoes `E_(2)` elimination with a strong base?

Last Answer : Which of the following most readily undergoes `E_(2)` elimination with a strong base? A. 2- ... -Bromo-2,2-dimethylpropane D. 2-Bromo-3-methylbutane

Which of the following most readily undergoes `E_(2)` elimination with a strong base?

Description : Which of the following most readily undergoes `E_(2)` elimination with a strong base?

Last Answer : Which of the following most readily undergoes `E_(2)` elimination with a strong base? A. 2- ... -Bromo-2,2-dimethylpropane D. 2-Bromo-3-methylbutane

`e_(g)` orbitals include

Description : `e_(g)` orbitals include

Last Answer : `e_(g)` orbitals include A. `d_(xy) and d_(yz)` B. `d_(yz) and d_(xz)` C. `d_(yz) and d_(xz)` D. `d_(x_(2)-y_(2)) and d_(z_(2))`

Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ?

Description : Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ?

Last Answer : Which of the following complex ions has electrons that are symmetrically filled in both `t_(2g) and e_(g)` orbitals ? A ... D. `[Co(NH_(3))_(6)]^(2+)`

Which is/are correctly linked here? `{:(,"List I",,"List II"),((a),E_(1)Cb,(a),"Carbanion formation"),((b),E_(2),(b),"Stereo specific"),((c),S_(N^(1))

Description : Which is/are correctly linked here? `{:(,"List I",,"List II"),((a),E_(1)Cb,(a),"Carbanion formation"),((b),E_(2),(b),"Stereo specific"),((c),S_(N^(1))

Last Answer : Which is/are correctly linked here? `{:(,"List I",,"List II"),((a),E_(1)Cb,(a),"Carbanion formation" ... "),((d),E_(1),(d),"Carbocation formation"):}`

A circuit consists of three bateries of emf `E_(1) = 1V, E_(2)=2V` and `E_(3)=3V` and internal resistance `1Omega, 2Omega` and `1Omega` respectively w

Description : A circuit consists of three bateries of emf `E_(1) = 1V, E_(2)=2V` and `E_(3)=3V` and internal resistance `1Omega, 2Omega` and `1Omega` respectively w

Last Answer : A circuit consists of three bateries of emf `E_(1) = 1V, E_(2)=2V` and `E_(3)=3V` and internal resistance `1Omega, ... ` B. `2.0V` C. `2.2V` D. `3.0V`

In the adjoining circuit, the battery `E_(1)` has an e.m.f me of 12 volt and zero internal resistance while the battery E has an e.m.f me of 2volt . I

Description : In the adjoining circuit, the battery `E_(1)` has an e.m.f me of 12 volt and zero internal resistance while the battery E has an e.m.f me of 2volt . I

Last Answer : In the adjoining circuit, the battery `E_(1)` has an e.m.f me of 12 volt and zero internal resistance while the ... ohm is A. 250 B. 100 C. 50 D. 200

The diagram given below [Fig. 16.18] shows how things get to and from the liver. They are labelled as A, B, C, D, E and F. Which one of the following

Description : The diagram given below [Fig. 16.18] shows how things get to and from the liver. They are labelled as A, B, C, D, E and F. Which one of the following

Last Answer : The diagram given below [Fig. 16.18] shows how things get to and from the liver. They are ... D. Bis the pancreatic artery and Eis the hepatic artery

Fig shows a small air bubble inside a glass sphere `(mu = 1.5)` of radius 10 cm. the bubble is 4.0 cm below the surface and is viewed normally from th

Description : Fig shows a small air bubble inside a glass sphere `(mu = 1.5)` of radius 10 cm. the bubble is 4.0 cm below the surface and is viewed normally from th

Last Answer : Fig shows a small air bubble inside a glass sphere `(mu = 1.5)` of radius 10 cm. the ... from the outside. Find the apparent depth of the bubble.

In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 C` and it is decreasing at the rate of `sqrt(5)

Description : In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 C` and it is decreasing at the rate of `sqrt(5)

Last Answer : In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 ... ))` C. `2tan^(-1)((2)/(3)) D. None of these

In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 C` and it is decreasing at the rate of `sqrt(5)

Description : In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 C` and it is decreasing at the rate of `sqrt(5)

Last Answer : In an `LC` circuit shows in Fig. `C = 1 F`, `L = 4 H`. At time `t = 0`, charge in the capacitor is `4 ... statement. A. 6 C B. 8 C C. 10 C D. 12 C

In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 Omega` resistance. Calculate what the same voltmeter read

Description : In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 Omega` resistance. Calculate what the same voltmeter read

Last Answer : In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 ... when it is connected across `300 Omega` resistance.

The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)`. If 0.2 A current is flowing throug

Description : The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)`. If 0.2 A current is flowing throug

Last Answer : The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)` ... . `3.2xx10^(-2)V//m` D. `1V//m`

Solve the following in equalities `(i) |x+7| gt 5` `(ii) |x+3| lt 10` `(iii) (x+2) lt |x^(2)+3x+5|``(iv) |(2x-1)/(x-1)| gt 2` `(v) |x-6| le x^(2)-5x+9

Description : Solve the following in equalities `(i) |x+7| gt 5` `(ii) |x+3| lt 10` `(iii) (x+2) lt |x^(2)+3x+5|``(iv) |(2x-1)/(x-1)| gt 2` `(v) |x-6| le x^(2)-5x+9

Last Answer : Solve the following in equalities `(i) |x+7| gt 5` `(ii) |x+3| lt 10` `(iii) (x+2) lt |x^(2)+3x+5|``(iv) ... -5) lt 0` `(viii) |x-1|+|x-2|+|x-3| le 6`

The emergency electrical power source on tank vessels over 500 GT on an international voyage, should be capable of continuous operation under emergency load for _____________. A. 6 hours B. 12 hours C. 18 hours D. 24 hours

Description : The emergency electrical power source on tank vessels over 500 GT on an international voyage, should be capable of continuous operation under emergency load for _____________. A. 6 hours B. 12 hours C. 18 hours D. 24 hours

Last Answer : Answer: C

Find the potential difference between the points A and B in the circuit shown in Fig. 4.66. Internal resistances of the cells are negligible.

Description : Find the potential difference between the points A and B in the circuit shown in Fig. 4.66. Internal resistances of the cells are negligible.

Last Answer : Find the potential difference between the points A and B in the circuit shown in Fig. 4.66. Internal resistances of the cells are negligible.

A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be __________ cms. (A) 17 (B) 42(C) 84 (D) 1.8

Description : A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then ... new manometer reading will be __________ cms. (A) 17 (B) 42 (C) 84 (D) 1.8

Last Answer : __________ cms. (A) 17

How can I wire a doubled up Potentiometer to cut two different frequencies?

Description : How can I wire a doubled up Potentiometer to cut two different frequencies?

Last Answer : answer:Not quite sure I understand (and even if I do, not sure I can help, but I'll try). Are you saying that you want to re-purpose your tone knob to be a balance knob between the two ... pickups wired in parallel) that will widen on the treble side above 5 and widen on the base side below 5?

As shown in the two illustrations for 'pitch control' and engine speed control', when the plant is in 'AUTO / CRUISE' propeller pitch is controlled by ___________. EL-0095 A. the 'trim potentiometer' and speed by either 'thrust lever' B. either 'thrust lever' and speed also by the selected Lever C. the split trim potentiometer and speed by its 'trim pot'. D. either 'thrust lever' and speed by the 'trim potentiometer'

Description : As shown in the two illustrations for 'pitch control' and engine speed control', when the plant is in 'AUTO / CRUISE' propeller pitch is controlled by ___________. EL-0095 A. the 'trim potentiometer' and ... and speed by its 'trim pot'. D. either 'thrust lever' and speed by the 'trim potentiometer'

Last Answer : Answer: D

What is a potentiometer in Arduino?

Description : What is a potentiometer in Arduino?

Last Answer : A potentiometer in Arduino is a variable resistor that can be used to control the brightness of an LED, the speed of a motor, or the volume of a speaker.

What is a potentiometer in Arduino?

Description : What is a potentiometer in Arduino?

Last Answer : A potentiometer in Arduino is a variable resistor that can be used to adjust the voltage level or control the position of a servo motor.

What is a potentiometer in Arduino?

Description : What is a potentiometer in Arduino?

Last Answer : A potentiometer is an electronic component used in Arduino projects to vary the resistance in a circuit.

What is a potentiometer ?

Description : What is a potentiometer ?

Last Answer : : Potentiometer is a device used to measure voltage difference and electromagnetic force in a voltage drop method.

In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of `2Omega`, the balancing length

Description : In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of `2Omega`, the balancing length

Last Answer : In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a ... Omega` C. `4 Omega` D. `2 Omega`

Potentiometer measures the potential difference more accurately than a voltmeter, because

Description : Potentiometer measures the potential difference more accurately than a voltmeter, because

Last Answer : Potentiometer measures the potential difference more accurately than a voltmeter, because A. it does not ... resistance D. it has a low resistance

In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another cell, then balancing length is

Description : In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another cell, then balancing length is

Last Answer : In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another ... . `~=1.47 V` D. `~=1.37 V`

Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is more than the emf of known battery. Reason : By in

Description : Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is more than the emf of known battery. Reason : By in

Last Answer : Assertion : In potentiometer experiment, null point cannot be obtained if emf of unknown battery is ... If Assertion is false but Reason is true.

A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and the ammeter present in the circu

Description : A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and the ammeter present in the circu

Last Answer : A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and ... (2)` D. `kl_(1)"and"kl_(2)`

In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for the emf of 0.4 V is

Description : In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for the emf of 0.4 V is

Last Answer : In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for ... B. 4 m C. `0.8` m D. 8 m

The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its standard cell is E volt. It is employed to measure the e.m.f. of a battery wh

Description : The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its standard cell is E volt. It is employed to measure the e.m.f. of a battery wh

Last Answer : The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its standard cell is E ... current in the potentiometer wire D. `(30E)/(100)`

A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt

Description : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a resistance of `10 ohm`. If a lengt

Last Answer : A potentiometer having the potential gradient of `2 mV//cm` is used to measure the difference of potential across a ... `) A. 1 B. 2 C. 5 D. 10