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  • (i) Identify the part the electromagnetic spectrum which is : (a) suitable for radar system used in aircraft navigation, (b) produced by bombarding a metal target by high speed electrons. (ii) why does galvanometer show a momentary

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

 

 

 

 

 
 
 
 
 

Answers (1)

i)
a) microwaves are suitable for radar system used in aircraft navigation
b)X -rays are produced by bombarding a metal target by high-speed electrons.
ii)momentary deflection is due to conduction current in wire and displacement current between the plates of the capacitor
\oint B\cdot dl=\mu_{0}\left ( I_{C}+I_{D} \right )
                  =\mu_{0}\left ( I+\varepsilon _{0}\frac{d\phi \varepsilon }{dt} \right )

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