EASY
12th West Bengal Board
IMPORTANT
Earn 100

Write the equations of the growth of charge and decay of charge in a capacitor in a C-R circuit.

Important Questions on Transient Current and Alternating Current

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 15
Does the value of maximum charge on the capacitor in a circuit depend on R?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 16
Draw graphs showing the increase of charge with time when a capacitor is charged by a cell in a circuit having resistance R. Indicate in the graph the situation at a time equal to the time constant of the circuit.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 17
Draw graphs showing the decrease of charge on a capacitor C with time when it is discharging through resistance R. Indicate the situation after a time equal to the time-constant of the circuit.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 18
What is meant by time-constant of a CR-circuit?
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 19
Write the dimensional formula for LR,CR and LC.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 20
A circuit containing an inductor is switched off. What will be the direction of induced current at that instant?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 21
Why a spark is observed when a circuit is switched off ?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 10 - Transient Current and Alternating Current>EXERCISE 10>Q 22
A capacitor of capacitance C is connected to a battery of emf E. What is the final charge on the capacitor and the energy stored in it. How much work is done by the battery?