Question 1: In an RC circuit, what is the name of the quantity represented by the symbol τ?
A. The characteristic time.
B. The decay constant.
C. The time constant.
D. The resistive component.
Question 2: If the resistance in an RC circuit doubles, the value of τ will be?
A. Double its original value.
B. Half its original value.
C. Four times its original value.
D. One-fourth its original value.
Question 3: If the capacitance of an RC circuit is cut in half, the value of τ will be?
A. One half its original value.
B. Double its original value.
C. One-quarter its original value.
D. Four times its original value.
Question 4: As a capacitor discharges, the potential difference across the capacitor will?
A. Increase exponentially.
B. Decrease linearly.
C. Increase linearly.
D. Decrease exponentially.
Question 5: A cell membrane acts like a?
C. resistor and a capacitor.
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