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5/45 MCQs for:
ELECTRICITY : Electric Current I
What is the unit of electrical energy commonly used for billing purposes in homes and industries?
According to Ohm's Law, if the voltage across a resistor is doubled, the current flowing through it will:
Two light bulbs are connected in parallel to a power source. Bulb A has a resistance of 100Ω and Bulb B has a resistance of 50Ω. Which bulb will be brighter?
How is an ammeter always connected in a circuit to measure current?
Which of the following statements about an electric current is correct?