To calculate the temperature at which the resistance of a metal becomes 20% more than its resistance at 300 K, we can use the temperature coefficient of resistance.

Step 1: Determine the resistance at 300 K.
Let's assume the resistance at 300 K is R_300.

Step 2: Calculate the 20% increase in resistance.
To find the 20% increase, we multiply the resistance at 300 K by 0.20:
20% increase = 0.20 * R_300

Step 3: Calculate the change in resistance.
The change in resistance is the 20% increase in resistance minus the resistance at 300 K:
Change in resistance = (0.20 * R_300) - R_300

Step 4: Calculate the temperature change.
The temperature change can be found using the temperature coefficient of resistance. The formula is:
Temperature change = (Change in resistance) / (Temperature coefficient of resistance)

Step 5: Calculate the temperature at which the resistance becomes 20% more.
The temperature at which the resistance becomes 20% more than its resistance at 300 K is:
Temperature = 300 K + Temperature change

By following these steps, you can calculate the temperature at which the resistance of the metal becomes 20% more than its resistance at 300 K.

Question

To calculate the temperature at which the resistance of a metal becomes 20% more than its resistance at 300 K, we can use the temperature coefficient of resistance.

Step 1: Determine the resistance at 300 K.
Let's assume the resistance at 300 K is R_300.

Step 2: Calculate the 20% increase in resistance.
To find the 20% increase, we multiply the resistance at 300 K by 0.20:
20% increase = 0.20 * R_300

Step 3: Calculate the change in resistance.
The change in resistance is the 20% increase in resistance minus the resistance at 300 K:
Change in resistance = (0.20 * R_300) - R_300

Step 4: Calculate the temperature change.
The temperature change can be found using the temperature coefficient of resistance. The formula is:
Temperature change = (Change in resistance) / (Temperature coefficient of resistance)

Step 5: Calculate the temperature at which the resistance becomes 20% more.
The temperature at which the resistance becomes 20% more than its resistance at 300 K is:
Temperature = 300 K + Temperature change

By following these steps, you can calculate the temperature at which the resistance of the metal becomes 20% more than its resistance at 300 K.

Knowee AI · Accepted Answer

To calculate the temperature at which the resistance of a metal becomes 20% more than its resistance at 300 K, we can use the temperature coefficient of resistance.

Step 1: Determine the resistance at 300 K.
Let's assume the resistance at 300 K is R_300.

Step 2: Calculate the 20% increase in resistance.
To find the 20% increase, we multiply the resistance at 300 K by 0.20:
20% increase = 0.20 * R_300

Step 3: Calculate the change in resistance.
The change in resistance is the 20% increase in resistance minus the resistance at 300 K:
Change in resistance = (0.20 * R_300) - R_300

Step 4: Calculate the temperature change.
The temperature change can be found using the temperature coefficient of resistance. The formula is:
Temperature change = (Change in resistance) / (Temperature coefficient of resistance)

Step 5: Calculate the temperature at which the resistance becomes 20% more.
The temperature at which the resistance becomes 20% more than its resistance at 300 K is:
Temperature = 300 K + Temperature change

By following these steps, you can calculate the temperature at which the resistance of the metal becomes 20% more than its resistance at 300 K.

Calculate the temperature (in K) at which the resistance of a metal becomes20% more than its resistance at 300 K. The value of the temperature coefficientof resistance for this metal is 2.0 × 10-4 /K

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