EASY
JEE Advanced
IMPORTANT
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Consider an electric circuit given below. What is the potential difference across the resistor R4? (Assume that internal resistance of battery is zero)

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Important Questions on Current Electricity

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 63
Five identical resistors, each of value 1100 Ω are connected to a 220 V battery as shown in figure. The reading of the ideal ammeter A is
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JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 64

The current through the 5 Ω resistor is

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EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 65
In the given figure, the current through the 20 V battery is
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EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 66
In the circuit shown each resistance is R=2 Ω. If a DC source of 10 V is connected between A and B, then the current I is
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EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 67
Which arrangement of four identical resistances should be used to draw maximum energy from a cell of voltage V?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 68
One kilowatt hour is equal to
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 69
If R1 and R2 are respectively, the filament resistances of a 200 W bulb and 100 W bulb designed to operate on the same voltage, then
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 70
The electric bulb have tungsten filaments of same length. If one of them gives 60 W and other 100 W, then