Current Electricity | Practice MCQs Physics for Mdcat

A T = 30K B T = 125 K C T = 75 K D T = 150 K

A The total current through each is the same B The voltage across each is the same C The total resistance is the sum of reciprocals of the individuals D The total resistance is the product of the individual resistors

A $\frac{1}{R_e} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} \ldots + \frac{1}{R_n}$ B $R_e = R_1 + R_2 + R_3 + \ldots + R_n$ C $R_e = R_1 R_2 R_3 \ldots R_n$ D None of these

A To increase current B To decrease current C To control current D None of these

A To increase voltage B To decrease voltage C To divide voltage D None of these

A Greater than the greatest resistance in series B Less than the largest resistance in series C Equal to the greatest resistance in series D Less than the smallest resistance in series

A $\frac{1}{R_e} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} \ldots + \frac{1}{R_n}$ B $R_e = R_1 + R_2 + R_3 + \ldots + R_n$ C $R_e = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} \ldots + \frac{1}{R_n}$ D None of these