Temperature difference in the body. The surface temperature of the body is normally about 7.00 ∘C lower than the internal temper
1 answer:
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Answer:
R2 = 300 Ohms
Explanation:
Let the two resistors be R1 and R2 respectively.
RT is the total equivalent resistance.
Given the following data;
R1 = 100 Ohms
RT = 75 Ohms
To find R2;
Mathematically, the total equivalent resistance of resistors connected in parallel is given by the formula;
Substituting into the formula, we have;
Cross-multiplying, we have;
75 * (100 + R2) = 100R2
7500 + 75R2 = 100R2
7500 = 100R2 - 75R2
7500 = 25R2
R2 = 7500/25
R2 = 300 Ohms
Answer:
The value of resistance when power is 1100 watts = = 50 ohms
Explanation:
Power = 2200 Watts
Resistance = 25 ohms
Power = 1100 Watts
Resistance = we have to calculate
Given that the power in an electric circuit varies inversely with the resistance
⇒ P ∝
⇒ =
⇒ =
⇒ = 50 ohms
This is the value of resistance when power is 1100 watts.