MCQ – Basic Electrical
1.
Cells are connected in series in order to increase the
§ current capacity
§ life of the cells
§ voltage rating
§ terminal voltage
2.
Cells are connected in parallel in order to increase
§ life of the cells
§ efficiency
§ current capacity
§ voltage rating
3. When
two cells are connected in parallel , it should ensure that have
§ identical internal
resistances
§ equal emfs
§ same ampere hour capacity
4.The
capacity of a battery is expressed in
§ amperes
§ amperes-hour
§ watts
§ watt-hour
5. A series
resonant circuit implies
§ zero pf and maximum
current
§ unity pf and maximum
current
§ unity pf and minimum
current
§ zero pf and minimum
current
6.
which one is classified as integrating instrument?
§ D’arsonval galvanometer
§ Ampere-hour meter
§ ohm-meter
§ ammeter
7.
Which of the following types of instrument is an integrating instrument?
§ power factor meter
§ energy meter
§ watt meter
§ frequency meter
8.
Voltmeter should be of very high resistance so that
§ its range is high
§ its accuracy is high
§ it may draw current minimum
possible
§ its sensitivity is high
9. If a
voltmeter is connected like a ammeter in series with a load
§ the measurement reading
will be too high
§ almost no current will
flow in the circuit
§ the meter will burn out
§ an inadmissably high
current will flow
10. A
multirange instrument (ammeter or voltmeter) has
§ multiple shunt or
series resistances inside the meter
§ variable coil turns
§ multi -coil arrangement
§ any of the above
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