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OCR GCSE - Circuits

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Which component matches these symbols?  
1.
2.
3.

4. Which of these 4 circuits can be used to measure how the current varies with a change in voltage across a bulb?

electrical meters x4

Which components have the following characteristic graphs - showing how the current varies as the voltage is changed?  
5.
6.
7.

8.Which of these answers gives the correct way of connecting each meter?

 
Ammeter
Voltmeter
A)
Series
Series
B)
Parallel
Parallel
C)
Series
Parallel
D)
Parallel
Series

A student is experimenting with identical bulbs and 6V cells.

The bulb in this circuit below has a current of 2A passing through it when connected to a single 6V cell as shown.

What are the approximate currents in the following circuits using the same bulbs and cells as shown above?

 
9.
10.
11.

12. Two resistors of resistance R are connected in parallel as shown. here.

The total resistance will be

  • A) less than R
  • B) R
  • C) greater than R
  • D) exactly 2R

The table below shows measurements taken on a selection of resistors. What are the missing values?

Voltage (V)
Current (A)
Resistance (Ω)
13.
12
4
14.
60
2000
15.
0.5
60