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Electronics and Communication Electronic Devices And Circuits Difficulty: Medium

Which of the following circuits converts any arbitrary waveform into square waveform? The device that exhibits negative resistance region is ___________. In the circuit shown in the figure, i(t) is a unit step current. The steady-state value of v(t) is The value of resistance R shown in the given figure is For 555 astable multivibrator, if C = 0.01 µF, R A = 10 kΩ, R B = 50 kΩ, the frequency and the duty cycle will be nearly.