At a room temperature of 293K, calculate the thermal noise generated by two resistors of 20KΩ and 30 KΩ when the bandwidth is 10 KHz and the resistors are connected in series.
A. 300.66 * 10-7
B. 284.48 * 10-7
C. 684.51 * 10-15
D. 106.22 * 10-7
Answer:B
At a room temperature of 293K, calculate the thermal noise generated by two resistors of 20KΩ and 30 KΩ when the bandwidth is 10 KHz and the resistors are connected in series.
A. 300.66 * 10-7 B. 284.48 * 10-7 C. 684.51 * 10-15 D. 106.22 * 10-7
Explanation: Noise voltage Vn = √(4R KTB)