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FINAL SEM F5 2018

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

A chicken is heated in a microwave. After several minutes, the temperature of the chicken is the same with the temperature of the microwave. Which concept explains the situation?

a)

Heat conduction

b)

Thermal equilibrium

c)

Specific heat capacity

d)

Specific latent heat of vaporisation

2.

During the process of boiling distilled water, liquid turns into gas. Predict the temperature of the boiled water if the process of boiling continues for another 5 minutes

a)

Higher than 100 0C

b)

Remain 100 0C

c)

Less than 100 0C

3.
a)

Net heat flow is from cooling pad to the forehead

b)

Heat flows only from the cooling pad to the forehead

c)

Heat flows only from the forehead to the cooling pad

d)

Net heat flow is zero

4.
a)

P and R

b)

P and S

c)

Q and R

d)

Q and S

5.
a)

Pressure cooker in Diagram 3.1 is the most suitable because it heats up faster

b)

Pressure cooker in Diagram 3.2 is the most suitable because it heats up faster

c)

Pressure cooker in Diagram 3.1 is the most suitable because it can absorb more heat

d)

Pressure cooker in Diagram 3.2 is the most suitable because it can absorb more heat

6.
a)

P

b)

Q

c)

R

d)

S

7.
a)

1.6 X 106 J kg-1

b)

2.67 X 104 J kg-1

c)

3.2 X 106 J kg-1

d)

5.33 X 101 J kg-1

8.
a)

A

b)

B

c)

C

d)

D

9.
a)

finding the gradient

b)

finding the minimum value of V

c)

finding the intercept on the V-axis

d)

extrapolating the graph until it intercepts the T-axis

10.
a)

increase

b)

decrease

c)

remain unchanged

11.
a)

A

b)

B

c)

C

d)

D

12.
a)

A

b)

B

c)

C

d)

D

13.
a)

2 C

b)

30 C

c)

60 C

d)

120 C

14.
a)

A

b)

B

c)

C

d)

D

15.

Which graph shows the correct relationship between factors affecting resistance and the resistance of wire?

a)
b)
c)
16.
a)

A

b)

B

c)

C

d)

D

17.
a)

1.2 Ω

b)

2.4 Ω

c)

4.8 Ω

d)

60.0 Ω

18.
a)

0.36 Ω

b)

1.00 Ω

c)

3.00 Ω

d)

12.0 Ω

19.
a)

A

b)

B

c)

C

d)

D

20.

In the following circuits, all the resistors and bulbs are identical. Which circuit has the brightest lamp?

a)
b)
c)
d)
21.
a)

IX < IZ < IY

b)

IX < IY < IZ

c)

IY < IX < IZ

d)

IZ < IY < IX

22.
a)

electromotive force

b)

voltage drop

c)

internal resistance

d)

resistance

23.
a)

A

b)

B

c)

C

d)

D

24.

Diagram shows an electric circuit where the internal resistance of the battery is 1Ω. What is the ammeter reading when the switch is closed?

a)

0.43 A

b)

0.45 A

c)

2.22 A

d)

9.00 A

25.

The refrigerator is one of the electrical appliances that is switched on for 24 hours everyday. Which action help the consumer to increase the energy efficiency?

a)

Keep your refrigerator full but do not overfill it

b)

Make sure the door is tightly closed when not in used

c)

Make sure that there is proper air flow around the refrigerator

d)

Keep liquids uncovered and foods unwrapped when store in the refrigerator

26.
a)

A

b)

B

c)

C

d)

D

27.
a)

RM 1.90

b)

RM 2.18

c)

RM 1.78

d)

RM 1.24

28.
a)

Aluminium

b)

Soft iron

c)

Copper

d)

Steel

29.
a)

Current flows from the top to the bottom

b)

Current flows from the bottom to the top

c)

There is no current flow

30.

The direction of force on a current carrying conductor in a magnetic field is determined by using....

a)

Fleming's Left Hand Rule

b)

Fleming's Right Hand Rule

c)

Right Hand Grip Rule

d)

Left Hand Grip Rule

31.
a)

increasing the resistance of wire

b)

increasing the number of turns of coils

c)

using copper wire with smaller diameter

d)

using a steel as a cylinder core

32.
a)
b)
c)
d)
33.
a)

Use a thicker wire

b)

Use a smaller wire

c)

Reduce the current flow

d)

Placing the magnets further from each other

34.
a)

Faraday's Law

b)

Charles' Law

c)

Hooke's Law

d)

Lenz's Law

35.
a)

A

b)

B

c)

C

d)

D

36.
a)

A voltage of 12 V DC and 36 number of turns on the input coil

b)

A voltage of 12 V DC and 600 number of turns on the input coil

c)

A voltage of 12 V AC and 36 number of turns on the input coil

d)

A voltage of 12 V AC and 600 number of turns on the input coil

37.
a)

A=South, B=South

b)

A=North, B=North

c)

A=North, B=South

d)

A=South, B=North

38.
a)

400

b)

800

c)

1200

d)

2400

39.

Electrical energy is transmitted at a very high voltage in order to

a)

reduce the power loss

b)

increase the current in the cable

c)

increase the resistance in the cable

d)

decrease the efficiency of the power transmission

40.
a)

Transformer A: Np > Ns, Transformer B: Ns >Np

b)

Transformer A: Ns > Np, Transformer B: Ns >Np

c)

Transformer A: Vp > Vs, Transformer B: Vp >Vs

d)

Transformer A: Vs > Vp, Transformer B: Vp >Vs

41.

The following are the properties of the cathode ray except

a)

it can be deflected by a magnetic field

b)

it is a type of electromagnetic radiation

c)

the electrons can be accelerated by electric field

d)

the kinetic energy of the electrons can be converted into heat and light energy

42.
a)

A

b)

B

c)

C

d)

D

43.
a)

W,Y

b)

W,Z

c)

X,Y

d)

X,Z

44.
a)

M = Light up , N = Does not light up

b)

M = Does not light up, N = Light up

c)

M = Light up , N = Light up

d)

M = Does not light up, N = Does not light up

45.

N-type semiconductor is produced when Germanium is doped with

a)

divalent atom

b)

trivalen atom

c)

tetravalent atom

d)

pentavalent atom

46.

Which of the following shows the correct symbol for the p-n-p transistor?

a)
b)
c)
47.
a)

Ie > Ic > Ib

b)

Ie > Ib > Ic

c)

Ic > Ie > Ib

d)

Ic > Ib > Ie

48.
a)

OR gate

b)

NOT gate

c)

AND gate

d)

NAND gate

49.
a)

Interchange R and T

b)

Interchange R and S

c)

Replace the type of transistor

d)

Reverse the terminal of the battery

50.
a)

0001

b)

1010

c)

0010

d)

1110

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