Electrical and Computer Engineering Homework Solutions

Finding the value of the inductance in a circuit

Find the value of the inductance L shown in the circuit below: (Please see attached file for problem).

Referring to the circuit, what is the voltage V?

Referring to the circuit, what is the voltage V? Please see attached file of circuit.

Referring to the circuit, determine the voltage drop

Referring to the above circuit, determine the voltage drop (from top to bottom) across the 4W resistor. Please see attached file for circuit.

Find the voltage, v(t), for t>0 for the circuit shown.

A security alarm for an office building door is modeled by the circuit shown. The switch represents the door interlock, and V is the alarm indicator voltage. The switch has been closed for a long time at t=0. find the voltage, v(t), for t>0 for the circuit shown. Please see attached file for circuit.

Find i for the op-amp circuit shown assuming an ideal Op Amp.

Find i for the op-amp circuit shown assuming an ideal Op Amp. Please see attached file for circuit.

Determine the voltage drop

Determine the voltage drop (from top to bottom) across the 16 W resistor in the circuit shown. Please see attached file for circuit.

Find the current through the inductor, iL(t), for t>0.

A security alarm for an office building door is modeled by the circuit shown. The switch represents the door interlock, and V is the alarm indicator voltage. Find the current through the inductor, iL(t), for t>0. The switch has been closed for a long time at t=0. Please see attached file for circuit.

Find V for the op-amp circuit shown assuming an ideal Op Amp.

Find v for the op-amp circuit shown assuming an ideal Op Amp. See attached file for full problem description.

what is the capacitor current at T=0.1s.

The energy stored by a 1 mf capacitor used in a laser power supply is given as W=3e(-10t) J for T>=0. what is the capacitor current at T=0.1s. Please see attached file.

Verify this measurement using the voltage divider principle.

The circuit shown below in the figure was built in the lab and V0 was measured to be 6.25V. Verify this measurement using the voltage divider principle. Please see attached file.

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