Free Printable Electric Current

1.

Coulomb's Law

a)

f = K \frac{q A q B}{r ^{2}}

b)

$f=K\ \frac{qAqB}{r}$

c)

$f=\frac{qAqB}{r^2}$

d)

$f=\frac{qAqB}{r}$

2.

Formula for Electric Field Strength

a)

$E=\frac{F\ \ on\ \ q'}{q'}$

b)

$E=\frac{F\ \ on\ \ q'}{q^2}$

c)

$E=K\frac{F\ \ on\ \ q'}{q'}$

d)

$E=K\frac{F\ \ on\ \ q'}{q^2}$

3.

Coulomb's Constant

a)

$9\ x\ 10^9\ \frac{N\circ m^2}{C^2}$

b)

$9\ x\ 10^9\ \frac{N\circ C^2}{m^2}$

c)

$9\ x\ 10^9\ \frac{C\circ m^2}{N^2}$

d)

$9\ x\ 10^{8\ }\ \frac{N\circ m^2}{C^2}$

4.

Formula for Capacitance

a)

$C=\frac{q}{\Delta V}$

b)

$C=\frac{\Delta V}{q}$

c)

$C=\Delta Vq$

d)

$\Delta V=\left(qA+qB\right)C$

5.

Formula 1 for Power

a)

P = IV

b)

P = WK

c)

V = WK

d)

V = IV

6.

How is resistance found?

a)

$R\ =\frac{V}{I}$

b)

$R\ =\frac{V}{A}$

c)

$R\ =\frac{I}{A}$

d)

$R\ =\frac{I}{V}$

7.

Formula 2 for Power

a)

$P=I^2R$

b)

$P=I^2V$

c)

$P=R^2V$

d)

$P=RV$

8.

Formula 3 for Power

a)

$P=\frac{V^2}{R}$

b)

$P=\frac{I^2}{R}V$

c)

$P=R^2V$

d)

$P=RV$

9.

Formula For Electric Potential Difference

a)

$\Delta V=\frac{F}{q'}$

b)

$\Delta V=\frac{F}{c'}$

c)

$\Delta C=\frac{F}{q'}$

d)

$\Delta V=\frac{C}{q'}$

10.

How is electric field strength related to potential difference?

a)

$\Delta V=Ed$

b)

$\Delta V=Ev$

c)

$\Delta J=Ed$

d)

$\Delta J=Ev$

11.

How to find equivalent resistance in a series circuit.

a)

$R=R_a+R_b+...$

b)

$\left(R=R_a+R_b+...\right)^{-1}$

c)

$R=R_a\times R_b\times...$

d)

$\left(R=R_a\times R_b\times...\right)^{-1}$

12.

How to find equivalent resistance in a parrallel circuit.

a)

$\frac{1}{R}=\frac{1}{R_a}+\frac{1}{R_b}+....$

b)

$\left(\frac{1}{R}=\frac{1}{R_a}+\frac{1}{R_b}+....\right)^{-1}$

c)

$R=R_a+R_b+...$

d)

$\left(R=R_a\times R_b\times...\right)^{-1}$

13.

How to find current?

a)

I = V/R

b)

I = C/R

c)

V = I/R

d)

V = C/R

14.

Coulomb's Law

a)

f = K \frac{q A q B}{r ^{2}}

b)

$f=K\ \frac{qAqB}{r}$

c)

$f=\frac{qAqB}{r^2}$

d)

$f=\frac{qAqB}{r}$

15.

Formula for Electric Field Strength

a)

$E=\frac{F\ \ on\ \ q'}{q'}$

b)

$E=\frac{F\ \ on\ \ q'}{q^2}$

c)

$E=K\frac{F\ \ on\ \ q'}{q'}$

d)

$E=K\frac{F\ \ on\ \ q'}{q^2}$

16.

Coulomb's Constant

a)

$9\ x\ 10^9\ \frac{N\circ m^2}{C^2}$

b)

$9\ x\ 10^9\ \frac{N\circ C^2}{m^2}$

c)

$9\ x\ 10^9\ \frac{C\circ m^2}{N^2}$

d)

$9\ x\ 10^{8\ }\ \frac{N\circ m^2}{C^2}$

17.

Formula for Capacitance

a)

$C=\frac{q}{\Delta V}$

b)

$C=\frac{\Delta V}{q}$

c)

$C=\Delta Vq$

d)

$\Delta V=\left(qA+qB\right)C$

18.

Formula 1 for Power

a)

P = IV

b)

P = WK

c)

V = WK

d)

V = IV

19.

How is resistance found?

a)

$R\ =\frac{V}{I}$

b)

$R\ =\frac{V}{A}$

c)

$R\ =\frac{I}{A}$

d)

$R\ =\frac{I}{V}$

20.

Formula 2 for Power

a)

$P=I^2R$

b)

$P=I^2V$

c)

$P=R^2V$

d)

$P=RV$

21.

Formula 3 for Power

a)

$P=\frac{V^2}{R}$

b)

$P=\frac{I^2}{R}V$

c)

$P=R^2V$

d)

$P=RV$

22.

Formula For Electric Potential Difference

a)

$\Delta V=\frac{F}{q'}$

b)

$\Delta V=\frac{F}{c'}$

c)

$\Delta C=\frac{F}{q'}$

d)

$\Delta V=\frac{C}{q'}$

23.

How is electric field strength related to potential difference?

a)

$\Delta V=Ed$

b)

$\Delta V=Ev$

c)

$\Delta J=Ed$

d)

$\Delta J=Ev$

24.

How to find equivalent resistance in a series circuit.

a)

$R=R_a+R_b+...$

b)

$\left(R=R_a+R_b+...\right)^{-1}$

c)

$R=R_a\times R_b\times...$

d)

$\left(R=R_a\times R_b\times...\right)^{-1}$

25.

How to find equivalent resistance in a parrallel circuit.

a)

$\frac{1}{R}=\frac{1}{R_a}+\frac{1}{R_b}+....$

b)

$\left(\frac{1}{R}=\frac{1}{R_a}+\frac{1}{R_b}+....\right)^{-1}$

c)

$R=R_a+R_b+...$

d)

$\left(R=R_a\times R_b\times...\right)^{-1}$

26.

How to find current?

a)

I = V/R

b)

I = C/R

c)

V = I/R

d)

V = C/R

27.

Coulomb's Law

a)

f = K \frac{q A q B}{r ^{2}}

b)

$f=K\ \frac{qAqB}{r}$

c)

$f=\frac{qAqB}{r^2}$

d)

$f=\frac{qAqB}{r}$

28.

Formula for Electric Field Strength

a)

$E=\frac{F\ \ on\ \ q'}{q'}$

b)

$E=\frac{F\ \ on\ \ q'}{q^2}$

c)

$E=K\frac{F\ \ on\ \ q'}{q'}$

d)

$E=K\frac{F\ \ on\ \ q'}{q^2}$

29.

Formula for Capacitance

a)

$C=\frac{q}{\Delta V}$

b)

$C=\frac{\Delta V}{q}$

c)

$C=\Delta Vq$

d)

$\Delta V=\left(qA+qB\right)C$

Electric Current

Total questions: 29

Worksheet time: 15mins

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