For a hydrogen atom the electrical force as compared to gravitational force is{{}}
A) 1039 times
B) 10 40 times
C) 10 41 times
D) 10 42 times
Correct Answer:
Verified
Q9: When field is parallel to plane of
Q10: Moving a coil in and out of
Q11: Induced current in coil by a magnet
Q12: Strength of magnetic field is known as
A)flux
B)density
C)magnetic
Q13: Unit of luminous intensity is
A)m
B)kg
C)cd
D)mol
Q15: Weakest force in nature is
A)electric force
B)gravitational force
C)weak
Q16: Magnetic field can be produced by using
A)permanent
Q17: Whenever there is force on magnetic pole,
Q18: If the magnetic flux density and current
Q19: Unraveling an electromagnetic gives
A)stronger field
B)weaker field
C)moderate field
D)wider
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