The unit of electric current is:
The unit of electric potential is:
Ohm’s law states that:
Resistance is measured in:
The current in a conductor is directly proportional to the:
The SI unit of electric power is:
Electric current is the flow of:
The unit of charge is:
A series circuit has:
Which of these is a good conductor of electricity?
Which of these is an insulator?
The drift velocity of electrons depends on:
A device used to measure current is:
A device used to measure voltage is:
A 12 V battery connected to 6 Ω resistor has current:
The energy consumed by a device is measured in:
Which of these is an example of a superconductor?
The filament of a bulb is usually made of:
The standard domestic voltage supply is:
Ohm’s law is valid for:
The current through a conductor is zero if:
Electric current produces:
Which law is used to calculate power in electrical circuits?
The ratio of voltage to current is called:
Electric current is highest in:
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