The resistance of a bulb filmanet is 100...

The resistance of a bulb filmanet is `100Omega` at a temperature of `100^@C`. If its temperature coefficient of resistance be 0.005 per `.^@C`, its resistance will become `200 Omega` at a temperature of

`300^(@)C`

`400^(@)C`

`500^(@)C`

`200^(@)C`

Text Solution

Verified by Experts

The correct Answer is:

`alpha=(R_(2)-R_(1))/(R_(1)t_(2)-R_(2)t_(1))`

Topper's Solved these Questions

CURRENT ELECTRICITY
NARAYNA|Exercise Level 2 C.W|59 Videos
CURRENT ELECTRICITY
NARAYNA|Exercise Level 2 H.W|45 Videos
CURRENT ELECTRICITY
NARAYNA|Exercise Level 1 C.W|64 Videos
COMMUNICATION SYSTEM
NARAYNA|Exercise Level-II(H.W)|25 Videos
DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

The resistance of the bulb filament is 100Omega at a temperature of 100^(@)C . If its temperature co-efficient of resistance be 0.005 per 5 ""^(@)C , its resistance will becomes 200 Omega at a temperature

The resistance of a metallic conductor is 50Omega at a temperature of 100^(@)C .If its temperature coefficient of resistance is 0.005^(@)C^(-1) ,then its resistance will become 125Omega at a temperature of

The resistance of a coi is 4.2Omega at 100^(@)C and the temperature coefficient of resistance of its material is (0.004)/(.^(@)C) . Its resistance at 0^(@)C is

If the resistance of a conductor is 5 Omega at 50^(@)C and 7Omega at 100^(@)C then the mean temperature coefficient of resistance of the material is

A conducting wire has resistance 16 Omega at 15^0 C and 20 Omega at 100^0 C find temperature of coeffecient of resistance

The resistance of a conductor at 15^(@)C is 16 Omega and at 100^(@)C is 20 Omega . What will be the temperature coefficient of resistance of the conductor ?

A wire has a resistance of 3.1 Omega at 30°C and a resistance 4.5 Omega at 100°C. The temperature coefficient of resistance of the wire

The resistance of a wire at 20^(@)C is 20Omega and at 500^(@)C is 60Omega . At which temperature its resistance will be 25Omega ?

NARAYNA-CURRENT ELECTRICITY-Level 1 H.W

The resistance of a wire is 10 ohm. The resistance of a wire whose len...
Text Solution
|
The resultant resistance of two resistors when connected in series is ...
Text Solution
|
The resistance of a bulb filmanet is 100Omega at a temperature of 100^...
Text Solution
|
The current i in the circuit given aside is
Text Solution
|
The combined resistance of two conductors in series is 1Omega. If the ...
Text Solution
|
When two resistance are connected in parallel then the equivalent resi...
Text Solution
|
A material 'B' has twice the specific resistance of 'A'. A circular wi...
Text Solution
|
If a wire of resistance R is melted and recasted in to half of its len...
Text Solution
|
When a wire drawn until its radius decreases by 3% then percentage of ...
Text Solution
|
When three wires of unequal resistances are given the number of combin...
Text Solution
|
The resistance of a coi is 4.2Omega at 100^(@)C and the temperature co...
Text Solution
|
You are given several identical resistors each of value 10Omega and ea...
Text Solution
|
A wire of resistance 50Omega is cut into six equal parts and they are ...
Text Solution
|
A technician has only two resistance coils. By using them in series or...
Text Solution
|
The effective between A&B in the given circuit is
Text Solution
|
The effective resistance between A and B is 3Omega then the value of R...
Text Solution
|
The effective resistance between A and B in the given circuit is
Text Solution
|
An electric bulb is rated 220 volt - 100 watt. The power consumed by i...
Text Solution
|
A heater coil is cut into two parts of equal length and one of them is...
Text Solution
|
if the electrc current in a lamp decreases by 5% then the power output...
Text Solution
|