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Questions and Answers
What is the SI unit of electric current?
What is the SI unit of electric current?
- Ohm
- Ampere (correct)
- Coulomb
- Volt
Which of the following materials has the highest conductivity?
Which of the following materials has the highest conductivity?
- Silver (correct)
- Glass
- Wood
- Rubber
What is the potential difference across a resistor with a resistance of 5 ohms when a current of 2 amperes passes through it?
What is the potential difference across a resistor with a resistance of 5 ohms when a current of 2 amperes passes through it?
- 7 V
- 12 V
- 10 V (correct)
- 3 V
