Physics Easy NTS Uploaded: 17 Aug 2026

The commercial unit of electrical energy is the:

Correct Answer: Option A — Kilowatt-hour

Explanation:

The kilowatt-hour (kWh) is the standard commercial unit used to measure electrical energy consumption, representing the energy used by a one...

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Static electricity is generated by:

A fuse in an electrical circuit is used to:

Which particle carries a negative electric charge?

Which of the following is a semiconductor material?

A parallel circuit has:

The photoelectric effect was explained by:

A series circuit has:

The photoelectric effect demonstrates that light behaves as a:

The SI unit of magnetic flux density is:

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