Home
Class 12
PHYSICS
Two resistors with temperature coefficie...

Two resistors with temperature coefficient of 3 resistances `4*10^-3`/°C and `2*10^-3`/°C have of resistances `20` Omega and `10` Omega respectively at `0`°C. If they are connected in series, then equivalent temperature coefficient of resistor combination is

A

`8/3*10^(-23)`/°C

B

`6*10^(-3)` /°C

C

`4/3*10^(-3)`/°C`

D

`10/3*10^(-3) `/°C

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Two resistors of resistances R_(1)=(300+-3) Omega and R_(2)=(500+-4) Omega are connected in series. The equivalent resistance of the series combination is

Two resistors of resistances 2 Omega and 4 Omega when connected to a battery will have :

Two resistors with temperature coefficients of resistance alpha_1 and alpha_2 have resistances R_(01) and R_(02) at 0^@C . Find the temperature coefficient of the compound resistor consisting of the two resistors connected. a.. In series and b. in paralllel

Two resistances R_(1) = 100 +- 3 Omega and R_(2) = 200 +- 4 Omega are connected in series . Find the equivalent resistance of the series combination.

Two resistances R_(1) = 100 +- 3 Omega and R_(2) = 200 +- 4 Omega are connected in series . Find the equivalent resistance of the series combination.

Two resistors of 2.092 and 3.0 22 are connected in series. Find the effective resistance of combination .

A copper coil has resistance of 20.0 Omega at 0^@C and a resistance of 26.4 Omega at 80^@C . Find the temperature coefficient of resistance of copper.

The temperature coefficient of resistance of a wire is 0.00145^(@)C^(-1) . At 100^(@)C its resistance is 2Omega . At what temperature the resistance of the wire be 3Omega ?

A silver wire has a temperature coefficient of resistivity 4 xx 10^(-3) .^@C^(-1) and its resistance at 20^@ C is 10Omega Neglecting any change in dimensions due to the change in temperature , its resistance at 40^@C is

Two resistor R_(1) = (24 +- 0.5)Omega and R_(2) = (8 +- 0.3)Omega are joined in series, The equivalent resistence is