01. The inverse of capacitance is called
1 point
reluctance.
conductance.
susceptance.
elastance.
02. In a capacitor the electric charge is stored in
1 point
metal plates.
dielectric.
both of (A) and (B).
none of above.
03. A external resistance R is connected to a cell of internal resistance r, then the current is maximum when
1 point
R < r.
R > r.
R = r.
none of the above.
04. Cell short circuit results in
1 point
low specific gravivity.
abnormal high temperature.
reduced gassing on charge.
all of above.
05. Electrics supply for electroplating should be
1 point
low AC voltage.
low frequency ac voltage.
DC voltage.
any of above.
06. Which law(s) find application in electrolysis?
1 point
Ohms law.
Gausss law.
Faradays law.
Coulombs law.
07. The phase angle difference between current and voltage is 90, the power will be
1 point
minimum.
maximum.
zero.
VI.
08. Which of the following is not a bilateral element?
1 point
Resistor.
Diode.
Capacitor.
Inductor.
09. A branch of a network is said to be passive when it contains
1 point
voltmeter.
voltage source.
current source.
battery.
10. A branch of a network is said to be active when it consists of one
1 point
resistor.
voltage source.
inductor.
capacitor.
11. The energy required to charge a 10 μF capacitor to 100 V is
1 point
0.01 J.
0.05 J.
5 × 10-9 J.
10 × 10-9 J.
12. The linear circuit element is
1 point
capacitor.
inductor.
resistor.
all of above.
13. Flux in a magnetic circuit can be compared in an electric circuit to
1 point
voltage.
current.
resistance.
inductance.
14. If the peak value of a sine wave is 100 V, then its RMS value will be
1 point
88 V.
70.7 V.
63.6 V.
100 V.
15. Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are
1 point
2.2 Ohm and 2.3 Ohm.
1.5 Ohm and 3 Ohm.
2 Ohm and 2.5 Ohm.
1.25 Ohm and 3.25 Ohm.
16. Condition for reciprocity in case of ABCD parameters is
1 point
AD-BC = 1 .
AB-CD = 1.
AD-BC = 0.
AB-CD = 0.
17. Which of the following statement is incorrect?
1 point
Voltage source is a passive element.
Current source is an active element.
Resistance is a passive element.
Inductance is a passive element.
18. A current is said to be alternating when it changes in
1 point
magnitude.
direction.
both ‘a’ and ‘b’.
none of these.
19. In which of the circuits power factor can be zero?
1 point
capacitive.
inductive.
both ‘a’ and ‘b’
resistive.
20. A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?
1 point
P/3.
P.
√3P.
3P.
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