`A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is applied between `x` and `y` the voltme

`A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is applied between `x` and `y` the voltme
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`A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is ... )gtV_(3)` D. `V_(1)gtV_(2)=V_(3)`
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`A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is applied between `x` and `y` the voltme

Description : `A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is applied between `x` and `y` the voltme

Last Answer : `A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is ... )` D. `V_(A)ne V_(B)ne V_(C )`

A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Description : A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Last Answer : ANSWER: W -- CONSTANT

If `""^(12)C_(r)(4)^(12-r)(x)^(12-3r)` is a contant term in an expansion, then r = __________

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The value of `sum_(r=2)^(oo) tan^(-1)((1)/(r^(2)-5r+7))`, is

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Compute divergence theorem for D = 5r 2 /4 i in spherical coordinates between r = 1 and r = 2 in volume integral. a) 80 π b) 5 π c) 75 π d) 85 π

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Evaluate Gauss law for D = 5r 2 /4 i in spherical coordinates with r = 4m and θ = π/2 as volume integral. a) 600 b) 588.9 c) 577.8 d) 599.7

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Compute divergence theorem for D= 5r 2 /4 i in spherical coordinates between r=1 and r=2. a) 80π b) 5π c) 75π d) 85π

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Evaluate Gauss law for D = 5r 2 /4 i in spherical coordinates with r = 4m and θ = π/2. a) 600 b) 599.8 c) 588.9 d) 577.8

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Rain drops (assumed to be spherical) of radii R1, 2R1, 3R, 4R, a.all of them will be zero b.all of them will be same c.drops of radius R will be maximum d.drops of radius R will be minimum e.107 dynes

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r=1+3r-3r?

Description : r=1+3r-3r?

Last Answer : 1/99 − 1/100 = 1/9900

If `V_(A)-V_(B)=V_(0)` and the value of each resistance is R, then I. net resistance between AB is `(R)/(2)` II. Net resistance between AB is `(3R)/(5

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A rigid-jointed plane frame is stable and statically determinate if (A) (m + r) = 2j (B) (m + r) = 3j (C) (3m + r) = 3j (D) (m + 3r) = 3j Where m is number of members, r is reaction components and j is number of joints

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The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be (A) r/2 (B) 2r/3 (C) r/A (D) 3r/2

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Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is (A) R ln 2 (B) -R ln 2 (C) 3 R ln 2 (D) -3R ln 2

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If L is the length of a moving vehicle and R is the radius of curve, the extra mechanical width b to be provided on horizontal curves, (A) L/R (B) L/2R (C) L²/2R (D) L/3R

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Three resistors of resistance R are connected in various ways, which of the following cannot be obtained? a. 3R ohm b. 2R/4 ohm c. R/3 ohm d. 2R/3 ohm

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Last Answer : b. 2R/4 ohm

When a current of 0.5 A is passed through two resistances in series, the potential difference between the ends of the series arrangement is 12.5 V. On

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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.

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A combination of four resistances is shown in Fig. 4.59. Calculate the potential difference between the points P and Q, and the values of currents flo

Description : A combination of four resistances is shown in Fig. 4.59. Calculate the potential difference between the points P and Q, and the values of currents flo

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Three resistances `2 Omega, 3 Omega` and `4 Omega` are connected in parallel. The ratio of currents passing through them when a potential difference i

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Sum of e.m.f around any loop equals A. sum of current B. sum of potential difference C. sum of resistances D. sum of charges passing through it per second

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Three capacitors with different capacitances are connected in series. Which of the following statements is TRUE? w) All three of the capacitors have the same potential difference between their plates. x) The magnitude of the charge is the same on all of the capacitor plates. y) The capacitance of the system depends on the voltage applied across the three capacitors.

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A potential difference of V = 100 ± 2 volt, when applied across a resistance R gives a current of 10 ± 0.5 ampere.

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belt of silk runs over two metal pulleys, one of which is surrounded by a hollow metal sphere. Two electrodes, in the form of comb-shaped rows of sharp metal points, are positioned respectively near to the bottom of the lower pulley and inside the sphere, over the upper pulley. The top electrode is connected to the sphere and the bottom one to the ground. A high DC potential is applied to the upper pulley. A simple version of which equipment is being described here?

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Last Answer : Van de Graaff generator.

Two cells connected in series have electromotive force of 1.5 V each. Their internal resistances are `0.5 Omega` and `0.25 Omega` respectively. This c

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Two cells of emf of 1.5 V and 2.0 V having internal resistances of `1 Omega` and `2 Omega`, respectively are connected in parallel so as to send curre

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Last Answer : Two cells of emf of 1.5 V and 2.0 V having internal resistances of `1 Omega` and `2 Omega` ... of `5 Omega`. Find the current in the external circuit.

Two batteries of emf `epsilon_(1)` and `epsilon_(2) (epsilon_(2)gtepsilon_(1)` and internal resistances `r_(1)` and `r_(2)` respectively are connected

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Four resistances are connected in a circuit in the given figure. The electric cirrent flowing through `4 ohm` and `6 ohm` resistance is respectively

Description : Four resistances are connected in a circuit in the given figure. The electric cirrent flowing through `4 ohm` and `6 ohm` resistance is respectively

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The internal resistances of an ideal current source, and an ideal voltage source are, respectively,

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In an AC circuit, the voltage across R, L and C are 30 V, 60 V and 20 V respectively. The applied

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Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source equals the sum of the circuit's individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.

Description : Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source ... individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.

Last Answer : ANSWER: Z -- THE TOTAL RESISTANCE IS THE SUM OF THE RECIPROCALS OF THE RECIPROCAL OF THE INDIVIDUAL RESISTANCES.

Transformed bacterial cells may display enhanced drug resistances from the acquisition of _____. a. F factors b. M factors c. R factors d. S factors

Description : Transformed bacterial cells may display enhanced drug resistances from the acquisition of _____. a. F factors b. M factors c. R factors d. S factors

Last Answer : c. R factors

When n resistances each of value r are connected in parallel, then ...

Description : When n resistances each of value r are connected in parallel, then resultant resistance is x. When these n resistances are connected in series, total resistance is

Last Answer : When n resistances each of value r are connected in parallel, then resultant resistance is x. When these n resistances are connected in series, total resistance is n2 x.

In the circuit shown in Fig. 4.64, the battery has an emf of 12.0 V and an internal resistance of `5R//11`. If the ammeter reads 2.0 A, what is the va

Description : In the circuit shown in Fig. 4.64, the battery has an emf of 12.0 V and an internal resistance of `5R//11`. If the ammeter reads 2.0 A, what is the va

Last Answer : In the circuit shown in Fig. 4.64, the battery has an emf of 12.0 V and an internal resistance of ` ... ammeter reads 2.0 A, what is the value of R ?

What is 2p times 3q times 5r equals?

Description : What is 2p times 3q times 5r equals?

Last Answer : It can be simplified to 30pqr which means the same as the giventerms

How much horsepower does a CR 80 5R have?

Description : How much horsepower does a CR 80 5R have?

Last Answer : Feel Free to Answer

How do you print a 5R photo?

Description : How do you print a 5R photo?

Last Answer : What is the answer ?

When the following expression is written in simplest form what is the coefficient of the variable term -1.5r plus 6r and ndash 12.2r?

Description : When the following expression is written in simplest form what is the coefficient of the variable term -1.5r plus 6r and ndash 12.2r?

Last Answer : When the following expression is written in simplest form what is the coefficient of the variable term -1.5r plus 6r and ndash 12.2r?

2q×3q×5r?

Description : 2q×3q×5r?

Last Answer : Answer is 30pqr

2q×3q×5r?

Description : 2q×3q×5r?

Last Answer : Answer is 30pqr

Why ammeters have to be arranged in class and voltmeters in parallel circuit ?

Description : Why ammeters have to be arranged in class and voltmeters in parallel circuit ?

Last Answer : Ammeter must be added to the class because it measures the flow. When added in parallel, the flow will be divided into two parts. As a result, the exact value of the flow cannot be ... because adding voltage will change the voltage difference. But in parallel the voltage difference does not change.

What are voltmeters used for?

Description : What are voltmeters used for?

Last Answer : A voltmeter measures the voltage between two points in an electrical current. Voltmeters are commonly used to test the remaining life in a battery.

Most AC voltmeters are calibrated to indicate __________. A. peak-to-peak voltage B. root-mean-square voltage C. average voltage D. peak voltage only

Description : Most AC voltmeters are calibrated to indicate __________. A. peak-to-peak voltage B. root-mean-square voltage C. average voltage D. peak voltage only

Last Answer : Answer: B

AC voltmeters are generally calibrated to read the ________. A. instantaneous voltage B. average voltage C. RMS voltage D. peak voltage

Description : AC voltmeters are generally calibrated to read the ________. A. instantaneous voltage B. average voltage C. RMS voltage D. peak voltage

Last Answer : Answer: C

Ammeters and voltmeters used in sinusoidal AC power systems indicate which of the following values of the waveforms measured? A. Peak value B. Root-mean-square value C. Average value D. Maximum value

Description : Ammeters and voltmeters used in sinusoidal AC power systems indicate which of the following values of the waveforms measured? A. Peak value B. Root-mean-square value C. Average value D. Maximum value

Last Answer : Answer: B

List the six safety precautions for the use of voltmeters.

Description : List the six safety precautions for the use of voltmeters.

Last Answer : a. Always connect a voltmeter in parallel. b. Always start with the highest range. c. Deenergize and discharge the circuit before connecting or disconnecting the voltmeter. d. ... to measure ac voltage. f. Observe the general safety precautions of electric and electronic devices.

What are the advantages of using two voltmeters in series?

Description : What are the advantages of using two voltmeters in series?

Last Answer : Increased input impedance, greater accuracy, and increased voltage range.

Most AC voltmeters have an rms scale which is valid only if the input signal being measured is a __ signal.

Description : Most AC voltmeters have an rms scale which is valid only if the input signal being measured is a __ signal.

Last Answer : sinusoidal

All voltmeters except one of the following are operated by the passage of current

Description : All voltmeters except one of the following are operated by the passage of current

Last Answer : electrostatic

Electrostatic voltmeters are particularly suitable for measuring high voltages because the construction...

Description : Electrostatic voltmeters are particularly suitable for measuring high voltages because the construction is simplified due to

Last Answer : Electrostatic voltmeters are particularly suitable for measuring high voltages because the construction is simplified due to Large electrostatic forces.