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Equation Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

You are being asked to calculate the wattage of a heater. Which formula will you use?

a)

F=BIL

b)

P=VI

c)

V=IR

d)

W=Fd

2.

E=BLv relates to which of the following?

a)

Motor Effect

b)

Generator Effect

3.

If you have been given the resistivity of a conductor, it's length and cross sectional area, what are you being asked to calculate?

a)

The direction the cable will move in

b)

The energy in the cable

c)

The resistance of the cable

d)

The emf generated

4.

Which of the following equations might you need to calculate the power needed in a water pump to lift the water in a certain amount of time.

a)

W=Fd

b)

P=VI

c)

w=mg

d)

F=ma

5.

F=BIL is connected to which of Flemings rules?

a)

Left Hand Rule

b)

Right Hand Rule

6.

In this equation, you need to convert metres squared into mm squared. What is the correct standard form?

a)

x10 6

b)

x10 3

c)

x10 -6

d)

x10 -3

7.

P=I2RP=\frac{I^2}{R} Is this the correct power equation?

a)

Yes

b)

No

8.

Which of the following is the correct power equation?

a)

P=EtP=\frac{E}{t}

b)

P=JtP=\frac{J}{t}

c)

P=V2RP=V^2R

d)

P=IR

9.

Which of the following is the correct transposition?

a)

β=FIL

b)

F=βILF=\frac{\beta}{IL}

c)

β=FIL\beta=\frac{F}{IL}

d)

I=FβLI=F\beta L

10.

Which 2 of the following equations are correct transpositions?

a)

a=RLρa=\frac{RL}{\rho}

b)

R=ρLaR=\frac{\rho L}{a}

c)

L=aRρL=\frac{aR}{\rho}

d)

ρ=RLa\rho=\frac{RL}{a}