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What is current?

flow of electrons

If P.D at V1 is 6V, what is P.D at V2?

If Ammeter 1 is 6A, what is ammeter 2?

If A1 is 5A, what is A2?

How do you calculate resistance?

R = V/ I

WHat is the unit for resistance, current and potential difference?

Ohms, Amps, Volts

If resistance is 10 Ohms, and current is 5A, what is the potential difference?

50 V

What is the difference between a series and a parallel circuit?

In a series circuit, electric charge can only flow in a single loop. In a parallel circuit, there are two or more paths through which electric charge can flow.

What is one advantage of parallel circuit?

If one loop in the circuit is broken, the current will still flow through the other loops.

What happens if there is any break in the loop in a series circuit?

Any break in the loop in a series circuit, such as a burned-out or missing bulb, stops the current from flowing.

what is this symbols?

variables resistor

what is this symbol?

fuse

what is a resistance?

measure of the opposition to current flow in an electrical circuit.

What is the term for the rate of energy transfer?

Power

What is the main function of a resistor in an electrical circuit? a) To store electrical energy b) To control voltage c) To control current d) To convert electrical energy to mechanical energy

c) To control current

What is the unit of electrical power? a) Volt b) Ampere c) Ohm d) Watt

d) Watt