Problem 5: An inductor with an inductance of 100 μH passes a current of 10 mA when its terminal voltage is 6.3 V. Calculate the…
Question 4: The voltage across a 0.01 μF capacitor is 240sin(1.4×104t – 300) volts. Write the mathematical expression for current through it. Answer Given Capacitance,…
Question 9: In an RC series circuit, will the current lag or lead the applied alternating voltage? Explain the answer with a phasor diagram. Answer…
Problem 5: A horizontal straight wire 10 m long extending from east to west is falling with a speed of 5 m/sec at right angle…
Question 12: How does a current-carrying coil behaves like a bar magnet? When current passes through a current carrying coil (e-g, a solenoid) it behaves…
Question 7: What is galvanometer? How it is converted into an ammeter and a voltmeter? Answer Definition of Galvanometer “A moving coil galvanometer is an…
Problem 11: The voltmeter in the circuit to the right may be considered to ideal. The values are =15.0 V internal resistance r = 5.00…
Problem 10: Find the terminal potential difference of each cell in the circuit. Solution If we find the potential drop by the internal resistance and…
Question 9: Why we use Kirchhoff’s law for circuit problems solution? Explain its rules for circuit solution by giving proper example. Answer Most often we…
Question 10: Water has a large dielectric constant but it is rarely used in capacitors. Explain why? Answer Water has a large value of dielectric…