EASY
12th West Bengal Board
IMPORTANT
Earn 100

What is mean by time-constant of a d.c. circuit with a resistor R and an inductor L connected in series.

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 11
What is mean by time-constant of a d.c. circuit with a resistor R and an inductor L connected in series.
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 12
Does time-constant of an L-R circuit depend upon the emf of the source?
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 13
Explain why does a much larger emf is induced in a circuit at break than at make, with reference to time-constant of a 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 14
Write the equations of the growth of charge and decay of charge in a capacitor in a C-R 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 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?