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.Management Sciences
Category: Basic Electrical Mcqs
International ohm is defined in terms of the resistance of________________?
0
A. a column of mercury
B. a cube of carbon
C. a cube of copper
D. the unit length of wire
When electric current passes through a bucket full of water, lot of bubbling is observeD. This suggests that the type of supply is____________?
A. A. C.
B. D. C.
C. any of above two
D. none of the above
How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?
A. 10
B. 60
C. 600
D. 1200
(more…)
An open resistor, when checked with an ohm-meter reads_____________?
A. zero
B. infinite
C. high but within tolerance
D. low but not zero
It becomes more difficult to remove_________________?
A. any electron from the orbit
B. first electron from the orbit
C. second electron from the orbit
D. third electron from the orbit
Current velocity through a copper conductor is___________?
A. the same as propagation velocity of electric energy
B. independent of current strength
C. of the order of a few ^.s/m
D. nearly 3 x 108 m/s
Voltage dependent resistors are used_____________?
A. for inductive circuits
B. to supress surges
C. as heating elements
D. as current stabilizers
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