In an electric field, energy per unit positive charge is
A) voltage
B) current
C) frequency
D) resistance
Correct Answer:
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Q13: Centripetal force is dependent on three factors,
Q14: Graph of potential energy against distance is
A)curve
B)parabolic
C)hyperbolic
D)straight
Q15: On all instruments like measuring cylinder, pipette
Q16: In a weather map, lines joining all
Q17: For a given system, the minimum frequency
Q19: In Kundt's dust tube, dust accumulates at
A)nodes
B)antinodes
C)at
Q20: A node having twice the frequency of
Q21: If frequency of certain wave is f,
Q22: Origin of gravitational field is
A)charges
B)masses
C)Earth's core
D)matter
Q23: At separation between a node and antinode,
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