1. A CRO is used to measure ___________.
Correct answer: (D)
All of above
2. A galvanometer in series with a high resistance is called ___________.
Correct answer: (B)
A voltmeter
3. A galvanometer of resistance G is shunted by a very small resistance S. The resistance of the resulting ammeter is ___________.
Correct answer: (A)
GS/(G+S)
4. A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement?
Correct answer: (A)
3 kO
5. A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.
Correct answer: (D)
(n-1)G
6. A voltmeter is connected in a ___________ with the circuit component across which potential difference is to be measured
Correct answer: (A)
Parallel
7. A voltmeter should have ___________ resistance
Correct answer: (B)
Very high
8. A VTVM has input resistance than that of a multimeter
Correct answer: (A)
More
9. A VTVM is never used to measure ___________.
Correct answer: (B)
Current
10. An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is ___________.
Correct answer: (C)
G/(n-1)