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2018-05-23T19:31:45Z

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What does this circuit symbol represent?

What does this circuit symbol represent?

What does this circuit symbol represent?

What does this circuit symbol represent?

What does this circuit symbol represent?

What does this circuit symbol represent?

What does this circuit symbol represent?

What is electric current ( I )?

How do we measure current ( I )?

What is voltage

( V )?

How do we measure voltage ( V )?

What is resistance ( R )?

How do we measure resistance ( R )?

What will happen if Lamp 1 breaks?

What will happen if Lamp 1 breaks?

The current leaving the cell is 4A.

What would the current be at:

- A1

- A2

- A3

What would the voltmeter readings be at:

- V2

- V3

What would the current be at:

- A1

- A2

- A3

What would the voltmeter readings be at:

- V1

- V2

- V3

What does this circuit symbol represent?

Suggest 2 household uses for variable resistors?

Calculate the voltage across a

15 Ω fixed resistor, carrying a current of

1.8 A.

Calculate the current through a

2 kΩ resistor when there is a voltage of

230 V across it.

230 V across it.

Calculate the resistance of the wire in the electric fire.

Describe and explain the

voltage-current graph for a fixed resistor.

Describe and explain the

voltage-current graph for a filament lamp.

This is a voltage-current graph for what type of component?

This is a voltage-current graph for what type of component?

This is a voltage-current graph for what type of component?

If the total resistance of the circuit below is 12 Ω , calculate the resistance of R2.

What does electrical power mean?

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