In an lc circuit containing a 40-mh ideal inductor and a 1.2-mf capacitor, the maximum charge on the capacitor is 45mc during oscillations. what is the maximum current through the inductor during the oscillations?

a) 3.7 a
b) 42 a
c) 2.5 a
d) 10 a
e) 6.5 a

E) 6.5 A

Explanation:

Given that

L = 40 m H

C= 1.2 m F

Maximum charge on capacitor ,Q= 45 m C

The maximum current I given as

I = Q.ω

ω =angular frequency

By putting the values

ω  = 144.33 rad⁻¹

Maximum current

I = 45 x 10⁻³ x 144.33  A

I= 6.49 A

I = 6.5 A

E) 6.5 A

at positions a, g kinetic energy is maximum.

at position d, potential energy is maximum.

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