Current Electricity (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 5 - 8 of 9

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Question number: 5

» Current Electricity » Wheatstone Bridge

Appeared in Year: 2012

MCQ▾

Question

As shown in the figure below, a cube is formed with ten identical resistors R (thick lines) and two shorting wires (dotted lines) along the arms AC and BD.

A cube form of ten identical resistors

A Cube Form of Ten Identical Resistors

In figure a cube is formed with ten identical resistors R and two shorting wires.

Resistance between point A and B is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 6

» Current Electricity » Series and Parallel Combinations of Resistors

Appeared in Year: 2013

MCQ▾

Question

The circuit shown has been connected for a long time. The voltage across the capacitor is

Circuit diagram consist of a capacitor and three resistor

Circuit Diagram Consist of a Capacitor and Three Resistor

In figure combination of three resistors and a capacitor connected with a battery of 6 V.

Choices

Choice (4) Response

a.

2.4 V

b.

2.0 V

c.

4.0 V

d.

1.2 V

Question number: 7

» Current Electricity » Series and Parallel Combinations of Resistors

Appeared in Year: 2013

MCQ▾

Question

Consider the circuit shown in the figure below:

Reduced circuit of given circuit

Reduced Circuit of Given Circuit

Figure shows the reduced circuit of given circuit.

All the resistors are identical. The charge stored in the capacitor, once it is fully charged, is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

0

d.

Equation

Question number: 8

» Current Electricity » V-I Characteristics of Ohmic and Non-Ohmic Conductors

Appeared in Year: 2015

MCQ▾

Question

For a diode connected in parallel with a resistor, which is the most likely current (I) – voltage (V) characteristic?

 Circuit diagram consist of a diode and a resistor

Circuit Diagram Consist of a Diode and a Resistor

In figure circuit diagram is shown, in which; a resistor connected in parallel to a diode.

Choices

Choice (4) Response

a.

Current (I) vs Voltage (V) characteristic (Choice A)

Current (I) vs Voltage (V) Characteristic (Choice A)

In figure current (I) vs Voltage (V) characteristic of given figure is shown.

b.

 Current (I) vs Voltage (V) characteristic (Choice B)

Current (I) vs Voltage (V) Characteristic (Choice B)

In figure current (I) vs Voltage (V) characteristic of given figure is shown.

c.

 Current (I) vs Voltage (V) characteristic (Choice C)

Current (I) vs Voltage (V) Characteristic (Choice C)

In figure current (I) vs Voltage (V) characteristic of given figure is shown.

d.

Current (I) vs Voltage (V) characteristic (Choice D)

Current (I) vs Voltage (V) Characteristic (Choice D)

In figure current (I) vs Voltage (V) characteristic of given figure is shown.

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