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ECE2131 - Electrical circuits - S1 2025

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Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load,  the Thevenin equivalent impedance (zTh) of the circuit connected to that load is ...

1000 + j0.647 Ω

and the Thevenin equivalent source has a magnitude of 0.0628 V at a phase of 90o.

What is the phase of voltage across the 2kΩ resistor (i.e. use polar form), in degrees, accurate to one decimal place?

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Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load,  the Thevenin equivalent impedance (zTh) of the circuit connected to that load is ...

1000 + j0.647 Ω

and the Thevenin equivalent source has a magnitude of 0.0628 V at a phase of 90o.

What is the magnitude of voltage across the 2kΩ resistor (i.e. use polar form), in SI units, accurate to three sig. figs?

Переглянути це питання

Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load, find the the Thevenin equivalent impedance (zTh) of the circuit connected to that load is:

1000 + j0.647 Ω

What is the angle of that impedance, converting to polar form, in degrees, accurate to one decimal place?

Переглянути це питання

Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load, find the the Thevenin equivalent impedance (zTh) of the circuit connected to that load is:

1000 + j0.647 Ω

What is the magnitude of that impedance, converting to polar form, in SI units, accurate to three sig. figs?

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Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load, find the the Thevenin equivalent impedance (zTh) of the circuit connected to that load (i.e. find VOC with the 2k load replaced by an open circuit), in terms of the component impedances (zC for the 2.2uF capacitor, zL for the 10 mH inductor, and zR for the 1kΩ resistor).

Your answer may look something like:

zTh = zC + zL +zR, or (1/zC + 1/zL + 1/zR)^-1

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Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load, find the the Thevenin equivalent voltage of the source connected to that load (i.e. find VOC with the 2k load replaced by an open circuit), in polar form (i.e. find the magitude and phase of the source).

State the phase of this voltage source, in degrees, accurate to two sig. figs.

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Given the network below, given an sinusoidal input current source (Iin) with an amplitude of 1 mA, running at 1 kHz with a phase of 0o.

Treating the 2k resistor as a load, find the the Thevenin equivalent voltage of the source connected to that load (i.e. find VOC with the 2k load replaced by an open circuit), in polar form (i.e. find the magitude and phase of the source).

State the magnitude of this voltage source, in SI units, accurate to two sig. figs.

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Given the network below, a sinusoidal voltage source running at a frequency of f = 1.592 kHz:

The equivalent impedance of the circuit attached to the load is 1000 - j1000. What does the imaginary part of the load impedance need to equal, if the load is optimized for maximum power transfer?

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Given the network below, a sinusoidal voltage source running at a frequency of f = 1.592 kHz:

Find the imaginary part of the equivalent impedance of the circuit attached to the load (SI units, accurate to three sig. figs.)

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Given the network below, a sinusoidal voltage source running at a frequency of f = 1.592 kHz:

Find the real part of the equivalent impedance of the circuit attached to the load (SI units, accurate to three sig. figs.).

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