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Question

Question: The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 μH inductor is...

The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 μH inductor is

A

(a) 1592 Hz

A

(b) 1592 MHz

A

(c) 1592 kHz

A

(d) 159.2 Hz

Explanation

Solution

(c)

Sol. ν=12πLC=12×3.1410×106×1×109\nu = \frac{1}{2\pi\sqrt{LC}} = \frac{1}{2 \times 3.14\sqrt{10 \times 10^{- 6} \times 1 \times 10^{- 9}}}= 1592 kHz