Sunday, October 11, 2020
An electron is travelling in a vacuum at a speed of 3.4 × 107 m s-1. The electron enters a region of uniform magnetic field of flux density 3.2 mT, as illustrated in Fig. 8.1.
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Question 17 An electron is travelling in a vacuum at a speed of 3.4 × 10 7 m s -1 . The electron enters a region of uniform magnetic fi...
Sunday, October 4, 2020
A bullet of mass 2.0 g is fired horizontally into a block of wood of mass 600 g.
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Question 43 A bullet of mass 2.0 g is fired horizontally into a block of wood of mass 600 g. The block is suspended from strings so that...
Saturday, September 26, 2020
Wires are used to connect a battery of negligible internal resistance to a lamp, as shown in Fig. 7.1.
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Question 19 (a) Define the ohm . [1] (b) Wires are used to connect a battery of negligible internal resistance to a lamp, as s...
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