Calculate the total resistance in L-C-R circuit by mathematical method.

What is the phase difference between voltage and current in L-C-R circuit at resonance?

Calculate the equivalent capacitance form the circuit = 2muF .

Calculate the total energy of a simple harmonic motion.

Calculated the equivalent resistance between the points A and C of the follwing circuit.

An a.c. source of e.m.f. V_msinwt is connected with a circuit which contains an inductorL, a capacitor C and a resistor R in series. Establish the differential equation of e.m.f and find the total impedance of the series LCR circuit. What is quality factor of the circuit.

A change of 0.2 mA in the base current causes a 5 mA in the the collector current of common emitter amplifier. ii) If the input resistance is 2KΩ and its voltage gain is 75, calculate the load resistance used in the circuit.