In the circuit shown below, the key is pressed at time t = 0 . Which of the following…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
In the circuit shown below, the key is pressed at time
t = 0 . Which of the following statement(s) is(are) true?
t = 0 . Which of the following statement(s) is(are) true?
- The voltmeter displays –5 V as soon as the key is pressed, and displays +5 V after a long time
- The voltmeter will display 0 V at time t = ln 2 seconds
- The current in the ammeter becomes 1/e of the initial value after 1 second
- The current in the ammeter becomes zero after a long time
Answer
(D) The current in the ammeter becomes zero after a long time
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