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current and electricity 1

courtneyward23 10 preguntas

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Preguntas del test (10)

1what is rate of flow of charge?
1. Aenergy per unit charge
2. Bcurrent
3. Ccharge
2what is energy per unit charge?
1. Acurrent
2. Bohms
3. Cvoltage
3what materials have resistance?
1. Aeverything
2. Bfood
3. Cmetal
4what is the equation for electrical power?
1. AV = T x R
2. BP = I x V
3. CP = A x O
5what is ohms law?
1. AV = I x R
2. BV = I/R
3. CR = V x I
6the shallower the gradient on an I/V graph...
1. Athe lower the resistance
2. Bthe greater the resistance
3. Cdoesn't matter
7at a constant temperature, the current through a metallic conductor is ___________________________ to the voltage.
1. Acurved
2. Blinear
3. Cdirectly proportional
8diodes only let current flow in one direction, at where is the threshold voltage?
1. A6V
2. B0.6V
3. C0.4V
9a light dependent resistor depends on light intensity, the greater the intensity of light shining on an LDR the..
1. Alower its resistance
2. Bhigher its resistance
3. Chigher the current
10current flowing through a filament lamp..
1. Aincreases with resistance
2. Bincreases with temperature
3. Cincreases with happiness

Descripción: alevel physics Test sobre current and electricity 1, creado por courtneyward23 el 25/03/2015.
Autor: courtneyward23
Idioma: English
Visitas: 4
Etiquetas: physicsalevel
Valoración: Aún sin valoraciones
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