7. Four equal charges 2 x 10-6 C each are fixed at the four corners of a square of a side 5 cm. Then the columb forces by one of the charges due to the rest of three are a) 29.5 N b) 27.5 N c) 22.5 N d) 25.5 N
7. Four equal charges 2 x 10-6 C each are fixed at the four corners of a square of a side 5 cm. Then the columb forces by one of the charges due to the rest of three are a) 29.5 N b) 27.5 N c) 22.5 N d) 25.5 N
Related questions
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100%
7
![Or negative
5.
Three equal charges, carh having a magnitude of 2 x 10-° Care placed at the three corners of the right
angled triangle of sides 3 cm, 4 cm, 5 cm. Find the force on the charge at the right angle corner
a) 49.5 N
b) 45.9 N
c) 4.59 N
d) 4.95 N
6.
Two particles A & B having charges 8 × 10° and – 2 × 10-° C respectively are held fixed with a
separation of 20 cm. Where should third charged particle placed so that it doesnot experience a net
electric force?
[
d) 30 cm from A
a) 20 cm from B
b) 20 cm from A
c) 40 cm from B
7.
Four equal charges 2 x 10-6 C each are fixed at the four corners of a square of a side 5 cm. Then the
columb forces by one of the charges due to the rest of three are
b) 27.5 N
a) 29.5 N
c) 22.5 N
d) 25.5 N
8.
A charged particle P has a mass of 10-12 kg and carry a charge of 4.9 × 10- C. Calculate the intensity
of the electric field to be applied on it, in vertically upward direction, so as to keep it at rest I1
a) 2 x 103 N/C
c) 4 x 10 N/C
d) 2 x 102 N/C
b) 2 x 10 N/C](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1a8a9a7f-0d7f-46c7-a51d-d4d327108b53%2F2d22d4e9-3ce3-4a0b-90a7-695301775e39%2Fa0hs1ww_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Or negative
5.
Three equal charges, carh having a magnitude of 2 x 10-° Care placed at the three corners of the right
angled triangle of sides 3 cm, 4 cm, 5 cm. Find the force on the charge at the right angle corner
a) 49.5 N
b) 45.9 N
c) 4.59 N
d) 4.95 N
6.
Two particles A & B having charges 8 × 10° and – 2 × 10-° C respectively are held fixed with a
separation of 20 cm. Where should third charged particle placed so that it doesnot experience a net
electric force?
[
d) 30 cm from A
a) 20 cm from B
b) 20 cm from A
c) 40 cm from B
7.
Four equal charges 2 x 10-6 C each are fixed at the four corners of a square of a side 5 cm. Then the
columb forces by one of the charges due to the rest of three are
b) 27.5 N
a) 29.5 N
c) 22.5 N
d) 25.5 N
8.
A charged particle P has a mass of 10-12 kg and carry a charge of 4.9 × 10- C. Calculate the intensity
of the electric field to be applied on it, in vertically upward direction, so as to keep it at rest I1
a) 2 x 103 N/C
c) 4 x 10 N/C
d) 2 x 102 N/C
b) 2 x 10 N/C
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