True or false. If false, give a reason why. The magnetic field inside of a condu

Question

True or false. If false, give a reason why. The magnetic field inside of a conductor is zero The electric field inside of a dielectric is smaller than the field outside There are no magnetic monopoles. The induced emf in a wire depends on its resistance. The sum of the currents around a loop equals zero. The potential of a conductor is zero. It is easy to create magnetic field of 10 mT. For inductors in parallel, we add the impedance We use the left-hand rule to calculate the direction of the magnetic field. Charge is conserved.

Explanation / Answer

e) According to kirchoff's current law(KCL),the algebraic sum of the currents around a closed loop is equal to zero.

Hence the statement is TRUE.

f) The potential of a ground is taken as zero since earth is a huge sphere of charges.The conductor possesses

some potential due to its position.

Hence the statement is FALSE

g) It requires in the order of micro to milli amperes to generate magnetic fields in the range of mT.Hence it

is easy to generate magnetic fields of 10 mT

h) For inductors in parallel,resultant impedance(Since Z=XL=2*3.14*f*L) is algebraic sum of individual impedances.

Hence statement is TRUE.

i) No,we use Right hand thumb rule to determine the direction of magnetic field.

Hence statement is FALSE

j) According to LAW OF CONSERVATION OF CHARGE, electric charge is neither created nor destroyed but it

converts from one form to another,but total elctric charge remains constant.

Hence,charge is conserved.

So,the statement is TRUE.

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