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Electric Circuit and Circuit Diagram

A student mad...

Question

A student made an electric circuit shown here to measure the current through two lamps.

(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram.

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Solution

(a) The lamps are connected in series.
(b) The student has connected the ammeter in parallel with the lamps. It should be connected in series.
(c) The correct diagram that shows how to connect the circuit:

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Q. A resistor of 4-ohm resistance and an electric lamp of 20-ohm resistance are connected in series across a 6-volt battery. Draw a labelled circuit diagram by using the symbols for ohm and volt. Calculate:
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Q. A current of 1 ampere flows in a series circuit containing an electric lamp and a conductor of 5

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The correct circuit diagram is :
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