(i) Identify the part of electronmagnetic spectrum which is : (a) suitable for radar system used in aircraft navigation, (b) Produced by bombarding a metal target by high speed electrons. (iii) Why does galvanometer show a momentary deflection at the time of charging or discharging a capacitor ? Write the necessary expression to explain this observation.

(i) Identify the part of electronmagnetic spectrum which is : (a) sui

1.	(i) Identify the part of electronmagnetic spectrum which is : (a) suitable for radar system used in aircraft navigation, (b) Produced by bombarding a metal target by high speed electrons. (iii) Why does galvanometer show a momentary deflection at the time of charging or discharging a capacitor ? Write the necessary expression to explain this observation.
Answer» Solution :`(i) (a)` Microwaves. `(b)` X-rays. `(II)` During charging of a cpacitor, current flows in the circuit. Conduction current in wire and DISPLACEMENT current between the PLATES of the capcitor. When capacitor is fully charged both conduction and displacement current BECOMES zero. `ointvecB.vecdl=mu_(0)(I+I_(D))`

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