3. breakdown the practical uses of electromagnets in:
[9 marks]
- circuit breakers
- el...
Physics, 15.02.2021 19:20 jokihahorton510
3. breakdown the practical uses of electromagnets in:
[9 marks]
- circuit breakers
- electric bell
- relay switch in cars.
Answers: 1
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In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.
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An electron moves with a constant horizontal velocity of 3.0 Γ 106 m/s and no initial vertical velocity as it enters a deflector inside a tv tube. the electron strikes the screen after traveling 26 cm horizontally and 19 cm vertically upward with no horizontal acceleration. what is the constant vertical acceleration provided by the deflector? (the effects of gravity can be ignored.)
Answers: 2
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Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?
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