A VTVM is never used to measure ______________?

Related Mcqs:

1. The input resistance of a VTVM is about ______________?

   A. 1000 O
   B. 10 kO
   C. 20 kO
   D. 10 MO

2. A VTVM has_____________input resistance than that of a multi meter?

   A. More
   B. Less
   C. Same
   D. None of the above

3. An ammeter is connected in __________ with the circuit element whose current we wish to measure?

   A. Series
   B. Parallel
   C. Series or parallel
   D. None of the above

4. A CRO is used to measure _________________?

   A. Voltage
   B. Frequency
   C. Phase
   D. All of above

5. The materil used to coat inside the face of CRT is ______________?

   A. Carbon
   B. Sulphur
   C. Silicon
   D. Phosphorous

6. A galvanometer of resistance G is shunted by a very small resistance S. The resistance of the resulting ammeter is ______________?

   A. GS/(G+S)
   B. G+S
   C. G-S
   D. None of the above

7. Two multimeters A and B have sensitivities of 10 kO/V and 30 kO/V respectively. Then ______________?

   A. Multimeter A is more sensitive
   B. Multimeter B is more sensitive
   C. Both are equally sensitive
   D. None of the above

8. An ideal ammeter has ______________ resistance?

   A. Low
   B. Infinite
   C. Zero
   D. High

9. The resistance of an ideal voltmeter is ______________?

   A. Low
   B. Infinite
   C. Zero
   D. High

10. The sensitivity of a multimeter is given in _______________?

    A. O
    B. Amperes
    C. kO/V
    D. none of the above