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- If an electrical circuit draws 100W + J100VAR from a sinusoidal source, then what would the circuit be? Explain why. a) a pure resistor circuit b) a series or parallel R-L circuit c) a series or parallel R-C circuit d) a series L-C circuit7. In a pure inductive circuit, the phase angle between the voltage waveform and current waveform will havephase shift * 180 deg O deg 45 deg O 90 deg 8. Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage? * Voltage is a measure of electric potential difference between two electrical points. O It's an electrical cliche. The other point could be negative or positive. None of the above.If a circuit has a resistance of 3002 and a series inductance of 5002, what is the relationship between the applied circuit voltage and the circuit current? The applied voltage lags the circuit current. The phase shift between the circuit voltage and current changes with time. The applied voltage is in phase with the circuit current. The applied voltage leads the circuit cur Previous Page Next Page Page 2 of 10
- An alternating current is given by I = 22sin222t. What is the time to generate 3 cycles of current? Group of answer choices 0.014s 0.0012s 0.2s 0.1sDetermine the value that the ideal voltage source "E" must have in order for it to be the intensity of the current flowing through the inductive ballast is zero V=10 30° -www 503 -J2 352 J5 $50 2502 E -J2An alternating current of frequency 50Hz has a maximum value of200 2A Reckoning the time from the instant the current is zeroand becoming positive, find the time taken by the current to reacha value of 141·4A for a first and second time.
- Calculate the RMS current through R2 in the diagram IR1 = 6.06mA peak, R2 = 2.7 kohms, total current is 9.522mA RMS 3.25mA RMS 5.24mA RMS 7.41mA RMS 9.0mA RMSFind the Apparent Power (rounded to 2 significant digits) for the following circuit: VT = 120V RMS, R1 = 1k0, R2 = 8200, XC1 = 1202, xC2 = 5002, XL1 = 3300 C1 R1 R2 C2 L1 24VA O 1.9VA O 15VA O 6.5VAQ5] find the current of the resistance 1892 if the value of the source is 7.4sin(100nt-44) volt Give the right choice HH 1mF ww 0.093H R1 www 180 R4 1402 3.9mF 13.100, 78.163⁰ mA 14.100, 78.163⁰ mA O 15.100, 78.163⁰ mA ·2 V1
- A solenoid with an inductance of 0.25 H and a resistance of 100 Q is connected to a 120-V 60-Hz source. The current is: Please check the closest answer that applies. X L 120 V 60 Hz O0.226 2-16.3° A O0.224 2-31.2° A LO6. Determine the rms current I as shown in figure 1. Source voltage is already in RMS value (Answer must be in polar form and should be in 4 decimal places). -j4 N j1.5 A B 4 0 A 200/30° V -j2 N: jIN Figure 1.Activity 1: You are testing an electrical device which can be modelled by the figure shown below: 18 -j12 a b j6 -j10 it E1 12 13 E2 13 The above electric circuit can be characterized by the following equations: 1811 + j6(11 – 12) + 4(11 – 12) = 1020° -j1212 + 8(12 – I3) + 20490° + 4(I2 – 4) + j6(I2 – I1) = 0 -j1013 + 1313 – 20290° + 8(13 – 12) = 0 Find I1, I2, and I3 using the Gaussian elimination method.