In the figure below, there is a current in the straight wire going from right to

Question

In the figure below, there is a current in the straight wire going from right to left. If the current is increasing, What is the direction of the induced current in the round coil? A charges is placed in a closed box. If the size of the box doubles, the electric flux going through the box. For the system of capacitors shown in the figure below, C1 = 2.00 mu C/V, C2 = 3.00 mu C/V, and C3 = 5.00 mu C/V. What is the equivalent capacitance of this system between a and b? An extended object is placed in front of a flat mirror and an image of the object is formed by the mirror. Which of the following statement is incorrect?

Explanation / Answer

(1) magnetic field occured by the current is out of the plane inside the loop. Since increasing current causes increase in flux through the loop by lenz law,

Answer- (A) clockwise

(2) from gause law, flux through a closed loop= qinside/permitivity

S0, Answer is (B)

(3) Cad= C1 + C2

1/Cab = 1/Cad + 1/C3 ;

Cab= (C1 + C2 )*C3 /(C3 +C1 + C2 )

(4) Answer (c)

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