The region around a magnet in which magnetic force can be expressed is known as?
A. declination B. flux density C. field D. flux Correct Answer: Option C C. fieldAn ammeter can be adapted to measure the potential differences by using a?
A. shunt B. multiplier C. rheostat D. resistance box Correct Answer: Option B B. multiplierAn object is placed in front of two plane mirrors inclined at 60º to each other. Determine the number of the images formed?
A. 2 B. 3 C. 5 D. 7 Correct Answer: Option C C. 5an observer hears an echo 1.26 seconds after blowing a whistle near a cliff. calculate the distance of the observer from the cliff. [speed of sound in air = 330ms-1]
A. 104.4m B. 207.9m C. 415.8m D. 523.8m Correct Answer: Option B B. 207.9m Explanation S = vt/2 =330×1.26/2 = 207.9Products
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