Physics Past Questions and Answers

In the circuit diagram above. Calculate the energy stored in the inductor at resonance

Calculate the reactance of the inductor in the circuit diagram shown above [\(\pi = \frac{22}{7}\)]

Production of x-ray tube begins with

A nitrogen nucleus bombarded with an alpha particle produces an oxygen nucleus and a proton. The nuclear reaction for this process is \(^4_2H + ^{14}_2N \to ^{17}_{8}O + ^1_1H + Q\). Which of the following statements about the reaction is not correct?

Electrons passing through crystals are diffracted because they