Electricity and Magnetism UPSC Questions

Electricity and Magnetism MCQ Questions

1.
Electric Current can be represented by
A.
Circuit diagram
B.
Ven Diagram
C.
Both (a) & (b)
D.
None of the above
ANSWER :
A. Circuit diagram
2.
In India, it is legally mandatory for which of the following to report on cyber security incidents?
1. Service providers
2. Data centres
3. Body corporate
Select the correct answer using the code given below:
UPSC - 2017
A.
1 only
B.
1 and 2 only
C.
3 only
D.
1,2 and 3
ANSWER :
D. 1,2 and 3
3.
When Electric current flows through a wire it behaves like a
A.
Amplifier
B.
Conductor
C.
Magnet
D.
None of the above
ANSWER :
C. Magnet
4.
Match the following
List I-Subatomic Particles List II-Charges
a) Protons 1.) Positively charged
b) Electrons 2.) Negatively charged
c) Neutron 3.) Neutral
A.
a-1, b-2, c-3
B.
a-2,b-1,c-3
C.
a-3,b-2,c-1
D.
a-1, b-3, c-2
ANSWER :
A. a-1, b-2, c-3
5.
With reference to 'Near Field Communication (NFC) Technology', which of the following statements is/are correct?
1. It is a contactless communication technology that uses electromagnetic radio fields.
2. NFC is designed for use by devices which can be at a distance of even a metre from each other.
3. NFC can use encryption when sending sensitive information.
Select the correct answer using the code given below:
UPSC - 2015
A.
1 and 2 only
B.
3 only
C.
1 and 3 only
D.
1, 2 and 3
ANSWER :
C. 1 and 3 only
6.
Nucleon is a combination of
A.
Nuetrons and Electrons
B.
Protons and Neutrons
C.
Electrons and Protons
D.
Neutrons alone
ANSWER :
B. Protons and Neutrons