EASY
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IMPORTANT
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In the figure shown, the current in the battery is close to :
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Important Questions on Current Electricity
EASY
JEE Main
IMPORTANT
A circuit to verify Ohm's law uses ammeter and voltmeter in series or parallel connected corrected correctly to the resistor. In the circuit :
MEDIUM
JEE Main
IMPORTANT
The current (in ) flowing through resistor in the following circuit is:
MEDIUM
JEE Main
IMPORTANT
In a building there are bulbs of , bulbs of small fans of and heaters of . The voltage of electric main supply is . The minimum fuse capacity (rated value) of the building will be:
HARD
JEE Main
IMPORTANT
The balancing length for a cell is in a potentiometer experiment. When an external resistance of is connected in parallel to the cell, the balancing length changes by . If the internal resistance of the cell is , where n is an integer then value of n is ________
HARD
JEE Main
IMPORTANT
The length of a potentiometer wire is and it carries a current of For a cell of and internal resistance of the null point on it is found to be at The resistance of whole wire is:
EASY
JEE Main
IMPORTANT
Four resistances of and respectively in cyclic order to form Wheatstone’s network. The resistance that is to be connected in parallel with the resistance of to balance the network is ______________
MEDIUM
JEE Main
IMPORTANT
The series combination of two batteries, both of the same emf but different internal resistance of and is connected to the parallel combination of two resistors and The voltage difference across the battery of internal resistance is zero, the value of (in is____
MEDIUM
JEE Main
IMPORTANT
In the given circuit diagram, a wire is joining points and . The current in this wire is:
