Question: What is the total resistance of a voltmeter on the 10 V range when the meter movement is rated for 50 µA of full-scale current ?

• 1. 10 kO
• 2. 20 kO
• 3. 200 kO
• 4. None of the above

Question: A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement ?

• 1. 3 kO
• 2. kO
• 3. kO
• 4. 6 kO

Question: When an ammeter is inserted in the circuit, the circuit current will _____________?

• 1. Increase
• 2. Decrease
• 3. Remain the same
• 4. None of the above

Question: A VTVM is never used to measure ______________?

• 1. Voltage
• 2. Current
• 3. Resistance
• 4. None of the above

Question: For display of signal pattern _____________voltage is applied to the horizontal plates of a CRO?

• 1. Sinusoidal
• 2. Rectangular
• 3. Sawtooth
• 4. None of the above

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

• 1. GS/(G+S)
• 2. G+S
• 3. G-S
• 4. None of the above

Question: The sensitivity of a voltmeter which uses a 100 µA meter movement is ____________?

• 1. 1 kO/V
• 2. 10 kO/V
• 3. 5 kO/V
• 4. Data insufficient

Question: The materil used to coat inside the face of CRT is ______________?

• 1. Carbon
• 2. Sulphur
• 3. Silicon
• 4. Phosphorous

Question: The most accurate device for measuring voltage is ____________?

• 1. Voltmeter
• 2. Multimeter
• 3. CRO
• 4. VTVM

Question: A VTVM has_____________input resistance than that of a multi meter?

• 1. More
• 2. Less
• 3. Same
• 4. None of the above