A 25 watt and a 100 watt bulbs are joined in series and connected to mains. Which will glow brighter? What will happen when the bulbs are connected in parallel?

By mistake, a voltmeter is connected in series and an ammeter In parallel with a resistance in a circuit, What will happen to the instrument?

Calculate the total capacity when three capacitors connected in series and parallel.

An electric bulb is connected to a 240 V generator. The current is 0.70 A. What is the power of the bulb?

A 60 watt bulb burns for 5 hours. What is the energy consume?

An electric lamp of 100Omega , a toaster of resistance 50Omega , and a water filter of resistance 500Omega are connected in parallel to a 200V source. What is the resistance of an electric iron connected to the same source that takes as much current as all three appliances, and what is the current through it?

A 25 µ F capacitor, a 0.1 henry inductor and a 25 Ω resistor are connected in series with an ac source with voltage. V = 310 sin 314t. (a) What is the frequency of the voltage ? (b) Calculate the reactance and impedance and (c) current in the circuit.

What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series?

Two resistances 99 ohms and 1 ohm are connected in parallel. Find the current in each when the main current in the circuit is 10 ampere.