Physics and Astronomy Labs/group 2

< Physics and Astronomy Labs

1

Voltage is expressed as?

	energy/q
	q/energy
	I/gh
	gh/q

2

Is current equal to the number of electrons per second flowing through a wire?

	only in units where the charge of the electron equals one
	yes
	no
	only in units where the charge of the electron equals the potential energy of a mouse

3

In the gravitational analogy to electrostatics and electricity, what is analogous to voltage? (Here, m is mass, h is height, and g is gravitational acceleration.

	m
	mg
	mgh
	gh

4

question?

	yes
	wrong
	wrong
	wrong

5

question?

	yes
	wrong
	wrong
	wrong

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