WODSS SCIENCE



Current problems

Find the current measured by each ammeter in the following circuits.

Remember:

In a series circuit: In a parallel circuit:

IT = I1 = I2 = I3 …… IT = I1 + I2 + I3 + ……

Current is the same throughout Current splits between branch

circuit paths.

1. 2.

3. 4.

5.

Voltage problems

Find the voltage across the bulbs in the following circuits.

Remember:

In a series circuit: In a parallel circuit:

VT = V1 + V2 + V3 + …… VT = V1 = V2 = V3 …… Voltage at source is shared between loads Voltage at source = voltage drop at load

1. 2. 3.

4.

5.

6. 7.

8. 9.

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I1 = ?

I4 = ?

I2 = 2A

I3 = 3A

I1 = ?

I2 = 5A

I2 = ?

I3 = 5A

I1 = 8A

I4 = ?

I1 = ?

I2 = 2A

I3 = ?

I4 = 6A

I5 = 11A

I1 = ?

I5 = ?

I4 = 4A

I3 = 2A

I2 = 3A

I6 = ?

I7 = ?

V2 = ?

V3 = 4V

V1 = 1V

VT = 9V

VT = 9V

V1 = 3V

V2 = ?

V3 = ?

V2 = ?

V3 = ?

VT = 3V

V2 = ?

V1 = ?

VT = 6V

V3 = 4V

V2 = ?

V4 = 5V

V1 = 5V

VT = 15V

V3 = ?

V5 = ?

V6 = 3V

V2 = ?

V3 = ?

V4 = 2V

V1 = 2V

VT = 10V

VT = 5V

V1 = ?

V2 = ?

V3 = 3V

VT = 12V

V1 = ?

V4 = 6V

V2 = ?

V3 = 3V

V5 = 15V

V3 = ?

V4 = 10V

V2 = ?

V1 = ?

VT = 20V

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