The resonance frequency of a series R L C circuit is 790Hz . Part A What is the

Question

The resonance frequency of a series RLC circuit is 790Hz .

Part A

What is the resonance frequency if the resistance R is doubled?

Part B

What is the resonance frequency if the inductance L is doubled?

Part C

What is the resonance frequency if the capacitance C is doubled?

Express your answer to two significant figures and include the appropriate units.

Part D

What is the resonance frequency if the peak emf E0 is doubled?

Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

w = 1/sqrt (LC)

1.R doubled , no change.

2. L doubled , w' = w/sqrt 2 =558.61~560 hz

3.  C doubled , w' = w/sqrt 2 =558.61 ~560 hz

if E0 is doubled , there wil be no change in w

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