1. What is the unit of electric current?

A. Volt
B. Ohm
C. Ampere
D. Watt
Hint: It's named after André-Marie Ampère.
✅ Correct Answer: C. Ampere
🧠 Explanation: Electric current is measured in amperes (A), which represents the flow of electric charge per second.

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2. Which of the following is a scalar quantity?

A. Velocity
B. Acceleration
C. Force
D. Speed
Hint: Scalar quantities have magnitude only.
✅ Correct Answer: D. Speed
🧠 Explanation: Speed is a scalar as it only has magnitude. Velocity, force, and acceleration are vectors because they have both magnitude and direction.