. What is the SI unit of electric current?, A) Volt, B) Ampere, C) Ohm, D) Watt, Which instrument is used to measure electric current?, Voltmeter, B) Ammeter, C) Galvanometer, D) Thermometer, What is the SI unit of electrical resistance?, Volt, B) Watt, C) Ohm, D) Ampere, According to Ohm's Law, voltage (V) is equal to:, I/R, B) I × R, C) R/I, D) V × I, Which material is a good conductor of electricity?, Rubber, B) Plastic, C) Copper, D) Wood

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