The heating element of an electric heater is made of nichrome because it has MCQ with Answer and Explanation

Explanation:
Speedometer measures instantaneous speed of vehicle. Odometer measures distance travelled. Anemometer wind speed. Barometer pressure.

Explanation:
The pitch of a sound is a subjective sensation that is determined primarily by the frequency of the sound wave. Higher frequency waves are perceived as high-pitched sounds (like a whistle), while lower frequency waves are perceived as low-pitched sounds (like a bass drum). Amplitude determines the loudness of the sound.

Explanation:
Moderator slows fast neutrons to thermal energies.