We have to match a 16-ohm speaker to an amplifier so that the effective load resistance is 10 KΩ. What should be the transformer turn ratio?

The resonant circuit has ___________ impedance at the resonant frequency.

The relationship among bandwidth, resonant frequency and Q of a tuned circuit is _____.

Why is the control grid of a tube always held at negative potential W.R.T cathode.?

What would be the gain of a negative feedback amplifier with an internal gain A=100 and a feedback factor m=0.9?

Tuned amplifiers are used for the amplification of _____.

At which frequency, capacitive reactance equals to inductive reactance?

What are the two basic types of impurities used in semiconductor doping?

Can pure silicon alone be used to make a semiconductor?

What does 'doping' do?

When silicon has been doped, what does this mean?