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Q. |
A resistor is operated at a temperature of 300 K, with a system bandwidth of 1 MHz then the noise power produced by the resistor is: |
A. | 3.13×10-23 watts |
B. | 4.14×10-15 watts |
C. | 6.14×10-15 watts |
D. | none of the mentioned |
Answer» B. 4.14×10-15 watts | |
Explanation: for a resistor noise power produced is given by ktb, where t is the system temperature and b is the bandwidth. substituting in the above expression, the noise power produced is 4.14×10-15 watts. |
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