Electricity

The input of a transformer is 220V AC and output is 12V. If it's a step-down transformer and has 1100 turns in primary, find secondary turns.

What is the peak voltage of a 220V AC supply? (Hint: V_peak = V_rms * √2)

What is the SI unit of electric charge?

The instrument used to measure electric current in a circuit is called a/an:

Which of the following materials is a good conductor of electricity?

According to Ohm's law, if the resistance is kept constant, current is directly proportional to:

The potential difference between two points in a circuit is measured in:

What is the standard frequency of Alternating Current (AC) supplied to households in Nepal?

Which safety device breaks the circuit when the current exceeds a safe limit?

The filament of an electric bulb is usually made of:

A device that converts chemical energy into electrical energy is a:

In an electric circuit, the flow of electrons is from:

What is the unit of electric power?

The resistance of a conductor is inversely proportional to its:

Which component is used to 'open' or 'close' an electric circuit?

What does a galvanometer detect?

In a domestic circuit, the fuse is always connected to the:

What is the color of the insulation on the earth wire in the modern international color code?

The heating element of an electric iron is made of:

The commercial unit of electrical energy is: