Electromagnetic Field Theory
Radiation intensity in a given direction is the

None of these
Energy radiated per square metre
Power radiated per unit solid angle in that direction
Power radiated per square metre

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Electromagnetic Field Theory
Which statement does not say that electrostatic field is conservative?

 The work done in a closed path inside the fields is zero.
 If the curl of E is identically zero.
 If is gradient of a scalar potential.
 The potential difference between two points is zero.

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