(i) State any one advantage of a full wave rectifier over that of a half wave rectifier.

(ii) State the condition for a balanced Wheatstone bridge.

(iii) Name the rule used to determine the direction of induced current in the case of a straight conductor moving in a magnetic field.

(iv) With what type of source of light are plane wavefronts associated?

(v) Write an expression for the torque acting on an electric dipole kept in a uniform electric field in vector form.

(vi) In Young’s double slit experiment, what should be the path difference between two overlapping waves to form a bright band / fringe?

(vii) What are isotones?

Solution

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