(a) Define magnetic flux density. [3] (b) A stiff copper wire is balanced horizontally on a pivot, as shown in Fig. 8.1.

Q#13 ( Past Exam Paper – November 2018 Paper 42 Q8 ) (a)  Define  magnetic flux… Read more (a) Define magnetic flux density. [3] (b) A stiff copper wire is balanced horizontally on a pivot, as shown in Fig. 8.1.

The electric potentials V are measured at distances x from P along a line PQ. The results are

Q#29 ( Past Exam Paper – J78 / II / 22 ) The electric potentials V are measured… Read more The electric potentials V are measured at distances x from P along a line PQ. The results are

Monochromatic light of wavelength λ is incident on two narrow slits S1 and S2, a small distance apart

Q#34 ( Past Exam Paper – June 2017 Paper 13 Q28 ) Monochromatic light of wavele… Read more Monochromatic light of wavelength λ is incident on two narrow slits S1 and S2, a small distance apart

A potentiometer is used as shown to compare the e.m.f.s of two cells. The balance points for cells X and Y are 0.70 m and 0.90 m respectively.

Q#41 ( Past Exam Paper – November 2007 Paper 1 Q34 ) A potentiometer is used as… Read more A potentiometer is used as shown to compare the e.m.f.s of two cells. The balance points for cells X and Y are 0.70 m and 0.90 m respectively.

An ideal gas initially has pressure 1.0 × 105 Pa, volume 4.0 × 10-4 m3 and temperature 300 K, as illustrated

Q#5 ( Past Exam Paper – November 2016 Paper 41 & 43 Q2 ) An ideal gas initi… Read more An ideal gas initially has pressure 1.0 × 105 Pa, volume 4.0 × 10-4 m3 and temperature 300 K, as illustrated

Q#24 ( Past Exam Paper – November 2014 Paper 11 & 12 Q23 ) When sound trave… Read more

A book of weight W is at rest on a table. A student attempts to state Newton’s third law of motion by saying

Q#24 ( Past Exam Paper – June 2017 Paper 12 Q9 ) A book of weight  W  is at res… Read more A book of weight W is at rest on a table. A student attempts to state Newton’s third law of motion by saying

In the circuit below, P is a potentiometer of total resistance 10 Ω and Q is a fixed resistor of resistance 10 Ω

Q#42 ( Past Exam Paper – November 2016 Paper 12 Q38 ) In the circuit below, P i… Read more In the circuit below, P is a potentiometer of total resistance 10 Ω and Q is a fixed resistor of resistance 10 Ω