Question

Question 32:
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.


Lakhmir Singh Physics Class 10

Answer 1

(a) all lamps are in series combination, in series combination, every device must function for the circuit to be complete. also in series combination, current through each device is same.

(b) here, student connected an ammeter in parallel combination with the lamps but we know ammeter is always connected in series combination.

(c) see figure,