Fill in the blanks.

Question 11 Mark

The magnitude of drift velocity of electron per unit electric field is called $...............$

Answer

mobility

Question 21 Mark

Kirchhoff's loop rule is result of conservation of $...............$

Answer

energy

Question 31 Mark

Kirchhoff's current rule is as a result of conservation of $...............$

Answer

charge

Question 41 Mark

According to Kirch off's law, the $...............$ of all currents meeting at a junction is zero.

Answer

algebraic sum

Question 51 Mark

Internal resistance of the cell depends on electrolyte and $...............$

Answer

material of electrodes

Question 61 Mark

Specific resistance of metals is $...............$ to free electron density n.

Answer

inversely proportional

Question 71 Mark

$S.I.$ unit of mobility is $...............$

Answer

$m^2$ volt $-$ second

Question 81 Mark

Direction of electric potential is from $...............$ potential to $...............$ potential.

Answer

high,low

Question 91 Mark

Electric current is $...............$ quantity.

Answer

scalar

Physics Fill in the blanks.