Physics 2014 | Study Mode

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Question 31
A
5.3x10-7
B
3.0x10-5
C
1.2x10-6
D
3.2x10-6
Explanation
\(P = \frac{Ra}{L}\Omega m\)

\(P = \frac{6 \times 0.8}{4}\Omega m\)

\(P = 1.2 \times 10^{-6}\Omega m\)

Correct option: C
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Question 32
A
A 300 resistor is connected to it in parallel
B
An 80 resistor is conneceted to it in series
C
A 150 resistor is connected to it in parallel
D
A 240 resistor is connected to it in series
Explanation
For parallel resistance,

\(\frac{300 \times 200}{500}\)

\(= 120 \Omega \)

Therefore it is when a 300 resistor is connected to it in parallel

Correct option: A
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Question 33
A
W
B
KWh
C
Wh
D
J
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
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Question 34
A
Hammering
B
Heating it
C
Rough handling it
D
Solenoid method
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: D
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Question 35
A
360o
B
0o
C
90o
D
180o
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
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Question 36
A
Remains unchanged
B
Decreases by one
C
Increases by one
D
Becomes zero
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
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Question 37
A
2.9x105kg
B
9.5x10-7kg
C
9.5x10-3kg
D
2.9x104kg
Explanation
Mass = ZIT kg
Mass = 3.3 x 10-7 x 4 x 2 x 60 x 60 kg
Mass = 9.5 x 10-3kg

Correct option: C
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Question 38
A
Mercury
B
Argon
C
Air
D
Neon
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
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Question 39
A
Resistor
B
Base
C
Collector
D
Emitter
Explanation

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Correct option: D
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Question 40
A
two alpha and two beta particles
B
an alpha particle
C
one beta particle
D
one alpha and one beta particle
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B

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