ElectrostaticsEveryday Science
Each bolt of lightning contains about
2500 J of energy
3000 J of energy
1500 J of energy
1000 J of energy
1000 J of energy
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
Due to electrostatic induction in aluminum rod due to charged plastic rod, the total charge on the aluminum rod is
A. 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
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
The spacing between field lines shows their
A. direction
B. position
C. strength
D. none of above
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