Free Printable physics rev1

1.

amperage =

a)

$\frac{voltage\ }{wattage}$

b)

$\frac{wattage}{voltage}$

c)

wattage x voltage

d)

none

2.

when resistors are connected in series , the effective resistance will

a)

increased

b)

decreased

c)

no change

d)

will increase or decrease

3.

if switch S1 is on, which bulb will glow?

a)

B1

b)

B2

c)

NO BULB WILL GLOW

d)

BOTH WILL GLOW

4.

How much current is flowing through the fuse when switch S1 is ON?

a)

0.83 A

b)

0.87A

c)

0.56A

d)

5A

5.

The marking on a filament lamp is 240 V, 40 W. Calculate the value of its electrical resistance.

a)

$1400\ \Omega$

b)

$1440\ \Omega$

c)

$1500\ \Omega$

d)

$1567\ \Omega$

physics rev1

Total questions: 5

Worksheet time: 7mins

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