Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
electrical energy to mechanical energy
mechanical energy to electrical energy
mechanical energy to chemical energy
electrical energy to thermal energy
Correct answer is A
No explanation has been provided for this answer.
i and ii only
i and iii only
i, ii and iii only
i, ii, iii and iv
Correct answer is A
conditions for the occurrence of resonance in a series RLC circuit are i) impedance is at minimum ie when inductive and capacitive reactances are equal ii) when current is maximum
The energy stored in a simple cell is
electrical
nuclear
thermal
chemical
Correct answer is D
No explanation has been provided for this answer.
In an ac circuit when the supply voltage frequency is equal to the resonant frequency, the current
leads the supply voltage by 90o
lags behind the supply voltage by 90o
leads the supply voltage by 45o
is in phase with the supply voltage
Correct answer is D
No explanation has been provided for this answer.
The region around a magnet in which magnetic force can be expressed is known as
declination
flux density
field
flux
Correct answer is C
No explanation has been provided for this answer.