To Verify Three Ammeter method

1. A voltage source and a voltmeter have

a) Zero and ideally infinity zero input impedance respectively
b) Ideally infinite and zero input impedances respectively
c) High and low input impedances respectively
d) None of the above

2. A dielectric between the plates of a capacitor

a) Decreases the capacitance
b) Increases the capacitance
c) Provides the strength to the capacitor plates
d) None of the above

3. The wattmeter

a) Has voltage and current coils to measure the real power
b) Has three connections two of which are used at a time
c) Measures apparent power because the current is same in the voltage and current coils
d) Can measure d.c. power but not 60 cps a.c. power

4. A voltmeter is connected in ______with the circuit-

a) Parallel
b) Series
c) Parallel and series
d) None of the above

5. Which of the following error may arise in wattmeter if it is not compensated for the errors?

a) Voltage coil inductance
b) Voltage coil capacitance
c) Eddy currents
d) (a), (b) and (c)