Which of the following statements are correct for the RC circuit shown? (Give AL

ID: 1439769 • Letter: W

Question

Which of the following statements are correct for the RC circuit shown? (Give ALL correct answers, e.g., BCD)

a)Right after S is moved to the position b, following a long time in the position a, the potential across C is nearly zero.

b)After S is moved to b, it takes a time = RC, for the charge on C to drop to 1/e of its initial value.

c)If S is in the position a for a long time, the current through R approaches /R.

d)If S is in the position a for a long time, the charge on C approaches zero.

e)After S is in the position b for a long time, the current through R becomes close to zero.

f)If S is in the position a for a long time, the current through R approaches zero.

g)Right after S is moved to the position b, following a long time in the position a, the current through R is zero.

In the given case, the correct statemets are as follows

( b)

After S is moved to b, it takes a time = RC, for the charge on C to drop to 1/e of its initial value.

( e )

If S is in the position a for a long time, the current through R approaches zero.

( f )

If S is in the position a for a long time, the current through R approaches zero.

Answer : ( b) , ( e), and ( f )

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