Make sure you go through and revise the third lesson of D.C circuits, so that you do better in this test. As this test can be taken only once, and your score will be saved.
Make sure you have a scientific calculator with you before you start, for calculations.
This test will show, how well you are prepared for the exam. So don’t forget to revise before you start.
This mega test includes 42 D.C circuits Questions.
Total time for this mega test is 3 hours 29 minutes.
You have 1.5 minutes for each question.
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The diagram shows a circuit used to find the resistance of lamp L.
Blocks P, Q and R represent the different components used.
Which is a correct possible choice of components to use for P, Q and R?
A student investigates a circuit that contains two parallel resistors. The circuit includes meter R, S and T which are all connected correctly.
Which type of meters are R, S and T?
In the circuit shown ammeter X reads 0.5A.
What does ammeter Y read?
A 0 B 0.5A C 3.5A D 4.0A
The diagram shows a circuit containing a d.c. power supply, a motor and a variable resistor. Three ammeters X, Y and Z shows the current in different parts of the circuit.
The reading on X is 4.0 A.
Which statement is correct?
A The readings on Y and Z are both less than 4.0A.
B The readings on Y and Z are both equal to 4.0A.
C The readings on Y and Z are both greater than 4.0A.
D The reading on Z is zero.
A student carries out an experiment to investigate the resistance of a resistor R. She takes a series of readings of potential difference(P.D.) and current, and plots a graph for her results.
Which circuit should she use?
The diagram shows a torch containing two cells, a switch and a lamp.
Which is the circuit diagram for the torch?
A lamp is to be connected in a circuit so that the potential difference (p.d.) across it can be varied from 0 to 6V.
Which circuit would be most suitable?