The figure below shows the electrical symbols for some circuit components. Identify the circuit component for each electrical symbol.
Draw a line from each electrical symbol to the name of the circuit component.
A student connects the circuit shown in the figure below. The value of the fixed resistor is 
.
Fig. 9b
The switch is closed. The reading on the ammeter is 
.
Calculate the potential difference (p.d.) across the fixed resistor.
State the name of the device for measuring potential difference.
Show how the student connects the device stated in (b)(ii) to measure the p.d. across the fixed resistor. Draw the correct symbol and connections on Fig. 9b.
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