i. mass ii. weight iii. relative density A. i only B. ii only C. iii only D. i and iii…
A. are repelled by the atoms in the crystal B. are attracted by the atoms in the crystals C. possess…
A. photoelectric emission B. collision of electrons C. thermionic emission D. field emission of electrons Correct Answer: Option D D.…
A. 132Ω B. 214Ω C. 264Ω D. 269Ω Correct Answer: Option C C. 264Ω Explanation XL=2πfL=2×π×60×0.7=264Ω
A. 0.100J B. 0.050J C. 0.010J D. 0.005J Correct Answer: Option B B. 0.050J
A. iron B. carbon C. copper D. steel Correct Answer: Option A A. iron
A. a magnetic line of force is an imaginary line which the north pole of a magnet would describe if…
A. angle of variation is zero B. magnetic declination is 90o C. angle of dip is zero D. horizontal component…
A. 296.7Ω B. 400.0Ω C. 512.2Ω D. 806.7Ω Correct Answer: Option D D. 806.7Ω Explanation R = V²/P=220²/60 = 806.7Ω
A. 7.5A B. 2.5A C. 1.2A D. 0.8A Correct Answer: Option C C. 1.2A Explanation P = I/V I =…