by Sunday | May 23 | Physics WAEC
A. iron B. carbon C. copper D. steel Correct Answer: Option A A. iron
by Sunday | May 23 | Physics WAEC
A. a magnetic line of force is an imaginary line which the north pole of a magnet would describe if it is free to moves B. magnetic lines of force do not cross one another C. magnetic lines of force are closely packed together at neutral point D. the presence of...
by Sunday | May 23 | Physics WAEC
A. angle of variation is zero B. magnetic declination is 90o C. angle of dip is zero D. horizontal component of the Earth’s magnetic field is zero Correct Answer: Option C C. angle of dip is zero
by Sunday | May 23 | Physics WAEC
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
by Sunday | May 23 | Physics WAEC
A. 7.5A B. 2.5A C. 1.2A D. 0.8A Correct Answer: Option C C. 1.2A Explanation P = I/V I = P/V=3×100/250 = 1.2A
by Sunday | May 23 | Physics WAEC
A. 2.0 x 10^-4J B. 1.0 x 10^-4J C. 9.0 x 10^-2J D. 1.0 x 10^-2J Correct Answer: Option D D. 1.0 x 10^-2J Explanation Energy = ½CV²=½×2×10^−6×100² = 1.0 x 10‾²J