WorksheetsDC Circuits
Total questions: 7
Worksheet time: 4mins
A current flows in two resistors connected in series as shown in the diagram. A1 and A2 are the readings on the ammeters. V1 and V2 are the readings on the voltmeters.
Which of the following correctly describes the ammeter and voltmeter readings?
Ammeter readings Voltmeter readings
A1 is less than A2 V1 is less than V2
A1 is less than A2 V1 is greater than V2
A1 is equal to A2 V1 is less than V2
A1 is equal to A2 V1 is equal to V2
Which two resistor combinations have the same resistance between X and Y?
P and Q
P and S
Q and R
R and S
What is the effective resistance of the three resistors in the circuit shown below?
0.3 Ω
1.1 Ω
3 Ω
12 Ω
What is the effective resistance of the four resistors in the circuit shown below?
0.25 Ω
4 Ω
6 Ω
18 Ω
The current of 6 A flows in the circuit shown. It splits up when it enters parallel branches of resistors.
What is the reading on the ammeter?
2 A
3 A
6 A
12 A
As shown in the diagram below, the ammeter reads 1A.
What is the e.m.f of the cell?
14 V
19 V
20 V
22 V
A cell is connected in series with an ammeter and a lamp. The current is 1.0 A.
In which circuit, using identical cells, lamps and ammeters, is the current reading 2.0 A?
