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Electrical Engineering
Electromagnetic Fields
Quiz 3
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Q.1
If a 6 (iF capacitor is charged toV, the charge in coulombs will be
800 uC
900 uC
1200 uC
1600 uC
Q.2
The ability of charged bodies to exert force on 6ne another isattributed to the existence of
electrons
protons
neutrons
electric field
Q.3
The electric field intensity at a point situated 4 metres from a pointcharge isN/C. If the distance is reduced to 2 metres, the field intensity will be
400 N/C
600 N/C
800 N/C
1200 N/C
Q.4
The direction of electric field due +0 positive charge is .
away from the charge
towards the charge
both (a) and (b)
none of the above
Q.5
A field line and an equipotential surface are
always parallel
always at 90°
inclined at any angle 0
none of the above
Q.6
"The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed". The above statement is associated with
Coulomb's square law
Gauss's law
Maxwell's first law
Maxwell's second law
Q.7
If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will
decrease
increase
remains unchanged
become zero
Q.8
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them
all in series
all in parallel
two in parallel and third in series with this combination
two in series and third in parallel across this combination
Q.9
If threeuF capacitors are connected in parallel, the net capacitance is
20 uF
30 uE
40 uF
50 uF
Q.10
The units of capacitance area
volts/coulomb
coulombs/volt
ohms
henry/Wb
0 h : 0 m : 1 s
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