To measure the load current flowing in a circuit, an ammeter is ____.
A. connected in parallel with the power source
B. connected in parallel with the load
C. connected in series with the load
D. connected to a de-energized circuit
Answer: C
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Design a Butterworth highpass filter with the following specifications:
Passband cutoff frequency = fp = 2725 Hz Stopband cutoff frequency = fs = 1125 Hz Maximum attenuation in the passband (dB) = Ap = 0.97 dB Minimum attenuation in the stopband (dB) = As = 29.15 dB excess='pass' (a) Find ?p, ?s, ?s, and order n (b) Find the recalculated values of Ap1, As1, ?, ?c. (c) Find the poles S and zeros SZ of the normalized lowpass filter (do not multiply by ?c) (d) Find the transfer function of the normalized lowpass filter and find Q values of the second- order sections. (e) Find the normalized component values for unity gain Sallen-Key circuit. (f) Find the scaled (km = 1000, kf = ?p/?c) component values for unity gain Sallen-Key circuit.
When a(n) ____ exists between two charged bodies connected by a conductor, electrons will flow along the conductor.
A. voltage source B. difference of potential C. deficiency of electrons D. excess of electrons