Description : In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the polarity as indicated. The ratio of potential difference acro
Last Answer : In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the ... difference across `5Omega` and resistance `R` is
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.
Description : In the circuit diagram shown in figure, potential difference across `3Omega` resistance is 20 V. Then, match the following two columns.
Last Answer : In the circuit diagram shown in figure, potential difference across `3Omega` resistance is 20 V. Then, match the following two columns.
Description : The potential difference in volt across the resistance `R_(3)` in the circuit shown in figure, is `(R_(1)=15Omega,R_(2)=15Omega, R_(3)=30Omega, R_(4)=
Last Answer : The potential difference in volt across the resistance `R_(3)` in the circuit shown in figure, is `(R_(1)=15Omega,R_(2 ... 5 B. `7.5` C. 15 D. `12.5`
Description : In the circuit shown in figure switch S is closed at time t=0 Potential difference across `3Omega` resistance at time t is given by
Last Answer : In the circuit shown in figure switch S is closed at time t=0 Potential difference across `3Omega` resistance at time t ... 2t)` D. `18(1-e^(-t//9))`
Description : In the circuit shown in the figure, the capacitor C is charged to a potential Vo. The heat generated in the circuit when the switch S is closed, is
Last Answer : In the circuit shown in the figure, the capacitor C is charged to a potential Vo. The heat generated in the circuit when ... )^(2)` D. `8 CV _(0)^(2)`
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)`
Description : A circuit is connected as shown in the figure with the switch S open. When the switch is closed, the total amount of charge that flows from Y to X is
Last Answer : C
Description : When a charge moves through an electric circuit in the direction of an electric force it does one of the following four things. Does it: w) lose potential energy and gain kinetic energy x) ... lose kinetic energy y) lose both potential and kinetic energy z) gain both potential and kinetic energy
Last Answer : ANSWER: W -- LOSE POTENTIAL ENERGY AND GAIN KINETIC ENERGY
Description : The potential drop between the terminals of a battery is equal to the battery's EMF when: w) no current is drawn from the battery x) a very large current is drawn from the battery y) the internal resistance of the battery is very large z) the resistance in the external circuit is small
Last Answer : ANSWER: W -- NO CURRENT IS DRAWN FROM THE BATTERY
Description : Find the potential difference between the points A and B for the network shown in Fig. 4.52.
Last Answer : Find the potential difference between the points A and B for the network shown in Fig. 4.52.
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
Last Answer : A combination of four resistances is shown in Fig. 4.59. Calculate the potential difference ... of currents flowing in the different resistances.
Description : A current of `2 A` flows in a system of conductor as shown. The potential difference `(V_(A) - V_(B))`
Last Answer : A current of `2 A` flows in a system of conductor as shown. The potential difference `(V_(A) - V_(B))` A. `-1V` B. `+1V` C. `-2V` D. `+2V`
Last Answer : A current of `2 A` flows in a system of conductor as shown. The potential difference `(V_(A) - V_(B))` A. `+1V` B. `-1V` C. `+2V` D. `-2V`
Description : Assertion : Current versus potential difference (i-V) graph for a conductor at two different temperatures `T_(1)` and `T_(2)` is shown in figure. Henc
Last Answer : Assertion : Current versus potential difference (i-V) graph for a conductor at two different ... If Assertion is false but Reason is true.
Description : A battery of e.m.f. `10 V` is connected to resistance as shown in figure. The potential difference `V_(A) - V_(B)` between the point `A` and `B` is
Last Answer : A battery of e.m.f. `10 V` is connected to resistance as shown in figure. The potential difference `V_(A) - V_(B) ... -2V` B. 2V C. 5V D. `(20)/(11)V`
Description : If power dissipated in the `9 Omega` resistor in the resistor shown is `36 W`, the potential difference across the `2 Omega` resistor is
Last Answer : If power dissipated in the `9 Omega` resistor in the resistor shown is `36 W`, the potential difference across the `2 ... 8 V B. 10 V C. 2 V D. 4 V
Description : The potential difference across a `2 H` inductor as a function of time is shown in figure. At time `t=0`, current is zero Current `t = 2` second is
Last Answer : The potential difference across a `2 H` inductor as a function of time is shown in figure. At time `t=0`, current is ... B. `3 A` C. `4 A` D. `5 A`
Description : Which of the referenced waveshapes would appear at point 'Y' in the circuit shown in the illustration? EL-0085 A. A B. B C. C D. D
Last Answer : Answer: D
Description : For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is
Last Answer : For the circuit shown in figure, the Boolean expression for the output y in terms of inputs P, Q, R and S is P+Q+R+S
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
Description : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field
Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... D. `(R_(2)//R_(1))^(2)`
Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... ` D. `((R_(1))/(R_(2))`
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 )`
Description : The slope of the graph showing the variation of potential difference V on X-axis and current Y-axis gives conductor
Last Answer : The slope of the graph showing the variation of potential difference V on X-axis and ... resistivity C. reciprocal of resistance D. conductivity
Last Answer : `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)`
Description : Magnetic fields are produced by: w) resistance x) an electric potential difference y) electric current z) stationary charge
Last Answer : ANSWER: Y -- CURRENT
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
Description : 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 ... y) The capacitance of the system depends on the voltage applied across the three capacitors.
Last Answer : ANSWER: X -- THE MAGNITUDE OF THE CHARGE IS THE SAME ON ALL OF THE CAPACITOR PLATES
Description : Which of the referenced waveshapes would appear at point 'X' of the circuit shown in the illustration? EL-0085 A. A B. B C. C D. D
Last Answer : Answer: A
Description : How to find the potential difference across a battery in a series parallel circuit with resistors that have no value given?
Last Answer : The potential difference is obtthe difference of all voltage across a terminal. From the circuit above I think the resistors are in series and parallel to each other. The two resistors in line CB are ... place the multimeter in series with the circuit and you will get the resistance. But ise you
Description : The potential difference of a cell in an open circuit is 6 V, which falls to 4 V when a current of 2 A is drawn from the cell. Calculate the emf and t
Last Answer : The potential difference of a cell in an open circuit is 6 V, which falls to 4 V when a ... Calculate the emf and the internal resistance of the cell.
Description : What is the potential difference between two points in a circuit?
Last Answer : That is called a voltage.
Description : Which one of the following applications software’s is used to obtain an accurate root locus for? a) LISP b) MATLAB c) dBase d) Oracle Ans: B 6.Lenz devised a rule to find out direction of a)current induced in a circuit b)electromagneticdifference c)potential difference d)flow of power in fuse
Last Answer : Ans: A
Description : A charge of 2C passes from one point to the other in a circuit. If the potential difference between the two points is 5V, the amount of work done is : (1) 10 J (2) 0.4 J (3) 2.5 J (4) 5 J
Last Answer : (1) 10 J
Description : The rate of transfer of charges through a circuit is called? (1) Potential Difference (2) Resistance (3) Current (4) Energy
Last Answer : (3) Current Explanation: The rate of transfer of charges through a circuit is called Current. An electric current is the rate of flow of electric charge past a point or region. An electric current is said to exist when there is a net flow of electric charge through a region.
Description : Current in a circuit depends on A. resistance B. potential difference C. both A and B D. e.m.f
Last Answer : potential difference
Description : Current in a circuit if resistance of 15 Ω and potential difference of 3.0 V is applied across it's ends is A. 1 A B. 2 A C. 0.5 A D. 0.20 A
Last Answer : 0.20 A
Description : The potential difference in an open circuit is a) Zero b) Unity c) Infinity d) Circuit does not exist open
Last Answer : c) Infinity
Description : In an experiment on studying the dependence of current flowing through a given resistor on the potential difference applied across it, list two ways how a student would change the values of current in the circuit?
Last Answer : Answer. There are two ways in which a student can change the values of current in the circuit: By increasing or decreasing the number of cells. By changing the value of resistance.
Description : While performing an experiment to study the dependence of current on the potential difference across two ends of the resistor, a student keeps the circuit closed for a long time to measure the current and potential difference. State how the resistance of the resistor will be affected?
Last Answer : Answer. When the circuit is closed for a long time, the flow of current will be in excess which causes unwanted heating in the resistor and changes the value of resistance.
Description : Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential drop across B and C measured by vol
Last Answer : Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential ... 29 B. 27 V C. 31 V D. 30 V
Description : As the ahead valve opens as shown in the illustration, pin #5 of the Sensor ______________. EL-0099 A. becomes more negative B. becomes more positive C. approaches neutral point D. approaches ground potential
Last Answer : Answer: B
Description : While discussing the properties of a parallelogram teacher asked about the relation between two angles x and y of a parallelogram as shown ... -Maths 9th
Last Answer : (a) Yes , x < y is correct (b) Ð ADB =Ð DBC = y (alternate int. angles) since BC < CD (angle opp. to smaller side is smaller) there for, x < y (c) Truth value
Description : The sides BA and DC of quad. ABCD are produced as shown in Fig. 8.23. Prove that x + y = a + b -Maths 9th
Last Answer : Solution :-
Description : what- jared went to a music store. the amount of money he spent on a used CD and some packs of gum is shown on the graph, where x is the number of packs of gum and y is the amount in dollars. how much is one pack of gum?
Last Answer : 0.25
Description : what- Jared went to a music store. The amount of money he spent on a used CD and some packs of gum is shown on the graph, where x is the number of packs of gum and y is the amount in dollars.How much is one pack of gum?
Description : Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be saturation at the percentage shown at points X,Y and Z.
Last Answer : Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be ... ventricle , Y-Right ventricle, Z-Systemic artery
Description : A circular loop of mass m and radius r in X-Y plane of a horizontal table as shown in figure. A uniform magnetic field B is applied parallel to X-axis
Last Answer : A circular loop of mass m and radius r in X-Y plane of a horizontal table as shown in figure. A uniform ... . `(mg)/(2pirB)` D. `(pirB)/(mgl)`
Description : Which line in figure 'A' shown in the illustration represents the interval that the pulse is 'ON'? EL-0088 A. W B. X C. Y D. Z
Last Answer : Answer: C