Physics · Electronics
Consider a non-linear device whose current-voltage characteristic is given by I = aV + bV2, where I is the current, V is the input voltage, and a and b are constants. The device is fed with a mixed voltage signal V = VDC + VAC, where VAC = V0 cos(ωt), and VDC and V0 are constants. The frequency components present in the output current I are:
- 1ω and 2ω
- 20 and 2ω
- 30, ω and 2ω✓
- 40 and ω
Correct answer
0, ω and 2ω
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