Electric Charges and Fields
The potential at a point x ( measured in μ m) due to some charges situated on the x-axis is given by V(x)=20/(x2−4)volt
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A parallel plate condenser with oil (dielectric constant 2) between the plates has capacitance C. If oil is removed, the capacitance of capacitor becomes
Poor conductors are known as ____.
A material that does NOT let electricity pass through it is called ...
Three capacitors each of capacity 4μF are to be connected in such a way that the effective capacitance is 6μF. This can be done by
Why is electrical wiring usually made from copper and not silver?
Mud houses are cooler in summer and warmer in winter because