Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
What is the rate of energy conversion in a device called?
What is the unit of electrical power?
What does kWh stand for on an electricity bill?
Which effect causes a wire to heat up when current flows?
What process uses current to coat a metal with another metal?
What is an electromagnet?
Why should you not touch electrical appliances with wet hands?
What safety device melts to break a circuit during overcurrent?
What does MCB stand for?
What is the purpose of the third pin in a plug?
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Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.
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MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.