Wednesday, May 2, 2018
The electromotive force of a power supply is 120 V. It delivers a current of 1.2 A to a resistor of resistance 80 Ω and a current of 0.40 A to another resistor, as shown.
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Question 4 The electromotive force of a power supply is 120 V. It delivers a current of 1.2 A to a resistor of resistance 80 Ω and a ...
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Tuesday, April 10, 2018
The diagram shows a motorised vehicle for carrying one person. The vehicle has two wheels on one axle. The passenger stands on a platform between the wheels.
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Question 7 The diagram shows a motorised vehicle for carrying one person. The vehicle has two wheels on one axle. The passenger ...
22 comments:
Sunday, April 8, 2018
Two vertical metal plates in a vacuum have a separation of 4.0 cm. A potential difference of 2.0 × 102 V is applied between the plates. Fig. 5.1 shows a side view of this arrangement.
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Question 3 (a) Define the coulomb . [1] (b) Two vertical metal plates in a vacuum have a separation of 4.0 cm. A potential differe...
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