Magnetism and Electromagnetism | Practice MCQs Physics for Mdcat

A There is always a lateral repulsion between adjacent lines of force B The lines of force originate at the north pole and end at the south pole C A compass needle sets itself perpendicular to the lines of force D Line of force is an imaginary curve

A The tangent to a line of the force gives the direction of electric field B The tangent to a line of force also gives the magnitude of the electric field C The lines of force per unit cross-sectional area of field gives the magnitude of electric field D The electric field is a conservative field

A West B East C South D North

A $B = \Phi / A$ B $\Phi = B / A$ C $A = B \Phi$ D $B^2 = A \Phi$

A Cork screw rule B Rule of cross product of vectors C Fleming’s right hand rule D Ampere’s rule

A $I \propto \tan \theta$ B $I \propto \theta$ C $I \propto \theta^2$ D $I \propto \sqrt{\theta}$

A Positively charged body at rest B Charged body in motion C Negatively charged body D None of these