Electrostatics
The spacing between field lines shows their
direction
position
strength
none of above
strength
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Due to electrostatic induction in aluminum rod due to charged plastic rod, the total charge on the aluminum rod isA. zero
B. positive
C. negative
D. dual
In the combination of parallel capacitors, the right plate of each capacitor is connected to the battery’s
A. no terminal
B. both negative and positive terminals
C. negative terminal
D. positive terminal
The electrostatic force acting on two charges of 1C separated by 1m is about
A. 4ร109
B. 6ร109
C. 8ร109
D. 9ร109
The amount of work done in bringing unit positive charge from infinity to a point in electric field is called
A. coulomb’s force
B. electrostatic force
C. electric potential
D. resistance
One micro coulomb is equal to
A. 10-6
B. 10-8
C. 10-4
D. 10-9
The property of attraction or repulsion between substances is due to the
A. electric charges
B. neutrons
C. atoms
D. capacitors
A charge in the electric field always
A. moves from lower potential to higher potential
B. moves from higher potential to lower potential
C. stay at higher potential
D. stay at lower potential
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