An amplifier has a voltage gain of 65 and a 25-k Ωload...

An amplifier has a voltage gain of 65 and a $25-\mathrm{k} \Omega$ load (output) resistance. What is the peak output current through the load resistor if the input voltage is an ac signal with a peak of $0.080 \mathrm{~V} ?$

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Key Concepts

Voltage Gain

Voltage gain is the ratio of the output voltage to the input voltage in an amplifier. It quantifies how much an amplifier boosts the signal and is fundamental in determining the amplitude of the output signal based on the amplitude of the input signal.

Load Resistance

Load resistance is the resistance connected to the output of a circuit or amplifier. It plays a crucial role in determining the current drawn by the load and affects the voltage division and overall power delivered to the load.

AC Signal Peak Value

The peak value of an AC signal is the maximum instantaneous amplitude of the signal. This value is critical in calculations because it represents the highest voltage reached in one cycle of the waveform, which is often used in determining the performance of amplifiers and other circuit components.

Ohm's Law

Ohm's Law is a fundamental electrical principle which states that the voltage across a resistor is equal to the current flowing through it multiplied by its resistance (V = IR). This law is essential for analyzing circuits, as it allows for the calculation of current, voltage, or resistance when the other two quantities are known.

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