1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

For the given electrical arrangement, what is the value of current I?

COMEDK 2021 Physics - Current Electricity Question 26 English

A
6A
B
5A
C
7A
D
8A
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

If voltage $$V=(200\pm 8)V$$ and current $$I=(20\pm0.5)A$$, then the percentage error in resistance R is

A
5.2%
B
25%
C
3%
D
6.5%
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Point out the right statements about the validity of Kirchhoff’s junction rule,

A
it is based on conservation of charge.
B
outgoing currents add up and are equal to incoming currents at a junction.
C
bending or reorienting the wire does not change the validity of Kirchhoff's junction rule.
D
All of the above.
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

If $$P=Q=R=10\Omega$$ and $$S=20\Omega$$, then what resistance should be joined with S to balance the Wheatstone's network?

A
Join a resistance of 10$$\Omega$$ in series with S
B
Join a resistance of 10$$\Omega$$ in parallel with S
C
Join a resistance of 20$$\Omega$$ in parallel with S
D
Join a resistance of 20$$\Omega$$ in series with S
COMEDK Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12