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JEEMAIN and NEET
>>
Physics
>>
Class12
>>
Electric Charges and Fields
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Q)
Charge Q is given a displacement
→
r
=
a
ˆ
i
+
b
ˆ
j
in an electric field
→
E
=
E
1
ˆ
i
+
E
2
ˆ
j
.
The work done is
(
a
)
Q
(
E
1
a
+
E
2
b
)
(
b
)
Q
√
(
E
1
a
)
2
+
(
E
2
b
)
2
(
c
)
Q
(
E
1
+
E
2
)
√
a
2
+
b
2
(
d
)
Q
√
E
2
1
+
E
2
2
√
a
2
+
b
2
Share
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