Question
The diagram shows two voltmeters P and Q connected to a potential divider.
The sliding connection at point X is moved towards the top of the diagram.
What happens to the reading on P and to the reading on Q?
| reading on P | reading on Q |
A | decreases | decreases |
B | decreases | increases |
C | increases | decreases |
D | increases | increases |
Answer/Explanation
Ans: B
Question
In which unit is potential difference measured?
A. ampere
B. ohm
C. volt
D. watt
Answer/Explanation
Ans: C
Question
The diagram shows an electrical circuit.
Between which two points must a voltmeter be connected to find the potential difference across
the bell?
A L and M
B M and N
C N and O
D O and P
Answer/Explanation
Ans: D
Question
The diagram shows a 10 Ω resistor and a 20 Ω resistor connected in a potential divider circuit.
What is the reading on the voltmeter? 4.2.4
A 4.0 V
B 6.0 V
C 8.0 V
D 12.0 V
Answer/Explanation
Ans: C
Question
The diagram shows a 10 Ω resistor and a 20 Ω resistor connected in a potential divider circuit.
What is the reading on the voltmeter? 4.2.4
A 4.0 V
B 6.0 V
C 8.0 V
D 12.0 V
Answer/Explanation
Ans: C