Which of the following components is used for storing electric charges?
inductor
resistor
capacitor
electrometer
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements is correct about resonance? Resonance occurs when a body
vibrates with its natural frequency
is forced to vibrate on its own natural frequency by another body at the same vibration
vibrates at the frquency of the body causing the vibration
vibrates with an irregular frequency
Correct answer is C
No explanation has been provided for this answer.
magnetization by induction
electric charges by induction
electric charges by conduction
electric charges by friction
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements about sound wave is not correct? Sound waves can be
reflected
refracted
diffracted
polarized
Correct answer is D
No explanation has been provided for this answer.
an echo
resonance
interference
reverberation
Correct answer is B
No explanation has been provided for this answer.