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2 Electricity

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Question 19
F

Figure shows a circuit containing a 12 V battery and three resistors, R1, R2 and R3.

Figure: Circuit containing a 12 V battery, a 4.0 Ω resistor in series with two further resistors connected in parallel with each other

image

a.

Give the name of the arrangement in which resistors R2 and R3 are connected.

[1]
b.

The potential difference across R2 is 4.0 V. Determine the potential difference across R1.

[1]
c.

Calculate the current in R1. Use the equation: potential difference=current×resistance\text{potential difference} = \text{current} \times \text{resistance}potential difference=current×resistance

[2]
d.

R2 has a resistance of 4.0 Ω. Calculate the current in R2.

[2]
e.

Determine the current in R3.

[1]
Markscheme

2 Electricity Questions

  1. GCSE
  2. /Physics
  3. /2 Electricity

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