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Electrical Engineering

09/17/19

Electrical Engineering Help (I am stuck on what to do)

A 15 Watt desk-type fluorescent lamp has an effective resistance of 200 ohms when operating (note: the 15 Watts is only associated with the lamp). It is in series with a ballast that has a... more

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Electrical Engineering Algebra

09/07/19

Algebra: Proportions

The energy 𝑊 used by a device is directly related to the current 𝐼, the voltage 𝑉, and the length of time 𝑡, for which the energy is used. If a 240-V clothes drier draws a current of 15 A and in 45... more

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Electrical Engineering

09/04/19

Per the 2017 NEC, what is the largest size insulated solid conductor permitted to be installed into an existing raceway?

It is in the 2017 National Electrical Code book and I need the article and section please

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Electrical Engineering Algebra

09/03/19

Electrical Algebra Problem

The impedance, 𝑍, in a certain circuit is the square root of the sum of the square of the resistance of 𝑅 and the square of the reactance 𝑋 in ohms. Find the reactance of the circuit if 𝑍 = 10 Ω... more

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Electrical Engineering Algebra

09/03/19

Electrical Algebra Problem

The voltage, 𝑉, in volts, in a circuit is the square root of the product of the power, 𝑃 in watts and the resitance, 𝑅, in ohms. If the voltage is 240 V and the power is 2500 W, what is the... more

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Electrical Engineering

09/01/19

The number of comparators in a 5 bit flash analog to digital convertor.

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Electrical Engineering Math

08/28/19

Circuits II Laplace and differential equation question

Find thedifferential equationrelating()Find thefind a differential equation relating c(t) and r(t) if:C(s)/R(s) = (s + 1)/(s(s+2)(s+3))ctand()rtif

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Electrical Engineering

08/22/19

Solve for the equivalent resistance seen by the source

A voltage source is connected to a series resistance =1 ohm and a parallel combination of two resistance each = 2 ohms.

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Electrical Engineering

08/16/19

An inductor rated at 10 mH and a 100 Ω resistor are in an AC circuit that has a frequency of 100 Hz. What's the inductive reactance at this frequency?

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Electrical Engineering

08/16/19

A series RL circuit has a total resistance of 2,000 Ω and an inductive reactance of 680 Ω. What phase angle would separate the circuit's current and voltage?

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Electrical Engineering

08/16/19

A parallel RL circuit has an AC source of 80 volts at a frequency of 600 Hz. The current through the resistor is 3.4 mA and the current through the inductor is 2.6 mA. What's the circuit current?

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Electrical Engineering

08/12/19

A pressure transmitter has a range of -1 to 3 Bar and an output of 4 to 20 mA. Calculate the required pressure input and expected mA output to calibrate the device at 10%, 20% and 85% of it's range.

Also, if the same pressure transmitter was vented to the atmosphere, having the general atmospheric pressure with no other pressure applied, what would the mA output be?

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