Key concepts in Physics - Science and Maths Tutor

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#1. Which is the correct SI unit for Energy?

N

J

s

A

#2. Which one of the following is the correct conversion of 5 cm into metres?

500 m

0.5 m

0.05 m

50 m

#3. Which one of the following is the correct conversion of 2 hours into seconds?

2 x 60 x 60 = 7200 s

2 x 60 = 120 s

2 x 6 x 6 = 72 s

2 x 6 x 60 = 720 s

#4. What is the SI unit for time?

s

A

h

m

#5. What is the SI unit for electric charge?

C

I

E

V

#6. What is the SI unit for Magnetic Flux Density?

P

D

T

M

#7. What is one Giga Joule (GJ) in Joules?

0.001 J

1,000 J

1,000,000 J

1,000,000,000 J

#8. Which one of the following is the correct conversion of 2 Giga Watts (GW) into Watts?

0.002 W

2,000 W

2,000,000 W

2,000,000,000 W

#9. What is the SI unit for Resistance?

Ω

V

A

C

#10. What is the SI unit for distance?

km

d

m

l

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