Quiz on Physics Set 180

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Quiz on Physics Set 180 :

Question 1 : 

Steam at 100°C causes more severe burns than water at 100°C because
A. Steam has no specific heat capacity
B. Steam has latent heat of vaporisation
C. Water has no specific heat capacity
D. Water has latent heat of fusion

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Correct Ans: Option B

Question 2 : 

No current will flow between two charged bodies if they have the same
A. Resistance
B. Charge
C. Potential
D. Charge/ potential ratio

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Correct Ans: Option C

Question 3 : 

Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes
A. 2R
B. R/2
C. 5R/4
D. 3R/4

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Correct Ans: Option C

Question 4 : 

Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m.
A. 40
B. 4000
C. 80
D. 2000

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Correct Ans: Option A

Question 5 : 

A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be
A. 5 R
B. 5 R/4
C. 4 R/5
D. R/5

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Correct Ans: Option D

Question 6 : 

Which of the following is a good conductor of heat but a bad conductor of electricity ?
A. Celluloid
B. Rubber
C. Asbestos
D. Mica

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Correct Ans: Option D

Question 7 : 

When a number of resistors are connected in series in a circuit, the value of current
A. Increases
B. Becomes half
C. Decreases
D. Remains the same

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Correct Ans: Option D

Question 8 : 

Which of the following is NOT an equation of motion?
A. s = ut + 12at2
B. v = u + a
C. s = ut + 12at3
D. v2 = u2 + 2as

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Correct Ans: Option C

Question 9 : 

Working of safety fuses depends upon
1. magnetic effect of the current
2. chemical effect of the current
3. magnitude of the current
4. heating effect of the current
Select the correct answer using the code given below.
A. 1, 2, 3 and 4
B. 1, 2 and 3 only
C. 3 and 4 only
D. 4 only

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Correct Ans: Option C

Question 10 : 

What is measured with the Nephometer?
A. volume of rainfall
B. Cloud volume and speed
C. Salinity of Sea
D. All options are correct.

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Correct Ans: Option B

Quiz Summary

Here the correct answers of every question in this quiz.

Q.1 [B],     Q.2 [C],     Q.3 [C],     Q.4 [A],     Q.5 [D],     Q.6 [D],     Q.7 [D],     Q.8 [C],     Q.9 [C],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Physics
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