4. a) The four parts of an electrical circuit are ______________, _______________,
_____________ and _______________
b) To be a complete circuit the current must start at the negative terminal of the
electrical source, travel through the connectors, control device, load other
connectors and back to the positive terminal of the electrical source. A short circuit
is when _________________________
5. a) A voltmeter measures __________________ in ____________ (V) and must
be connected in ______________________ to a load.
b) An ammeter measures ____________ in ____________(A) and must be
connected in __________ to the circuit.
c) Draw a voltmeter in the diagram below to measure the voltage of
the light bulb and draw an ammeter in the diagram to measure the current
leaving the cell:
6. a) Draw a series circuit consisting of two cells in series connected to an open
switch, and two light bulbs in series:
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