In the figure assume that == 2.8 V, r = 120 2, R₁ = 320 2, and R2 = 260 2. If the voltmeter resistance is Ry = 6.9 k2, what perce error (including sign) does it introduce into the measurement of the potential difference across R₁? Ignore the presence of the ammeter.
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- You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor to a 480-V, 60-Hz line. To determine the proper conductor and fuse size for this installation, you need to know the amount of current the inductor will draw from the line. The nameplate on the inductor indicates that it has an inductance of 0.1 H. An ohmmeter reveals that it has a wire resistance of 10 . How much current should this inductor draw when connected to the line?Using superstition, find the value of i0 if voltage source at the left is 10, angle - 30 degrees V, and current source is 2, angle zero degrees. A total of three sources will be considered, separately. The 24 volt source is DC. When this source is acting alone, the capacitor will be open-circuited.In the circuit given in the figure | VBE | = 0.7V, R1 = 34.65Kohm, R2 = 118.04Kohm, RC = 1.32Kohm, RE = 3.97Kohm, VCC = -12.00V, Beta = 287.00, calculate IC current with full analysis.
- QUESTION TEXT A potentiometer consisting of a wire of length = 10 cm has a source of emf, ɛ = 15V connected across it. When a standard cell with emf V = 6V, in series with a voltmeter, is connected at one end of the wire and at a distance L along the wire the voltmeter circuit is in balance and the voltmeter reads zero. What is the value of the balance length L? Select one: a. 1.5 cm b. 4.0 cm c. 6.0 cm d. 2.0 cmSuppose that the voltage source has an internal series resistance of 50 Ω. How would the outputvoltage be affected (assuming that R1 and R2 are the same as you specified earlier)? Work out your resultsfor both the ideal voltage source and for the voltage source with the internal impedance. R1 and R2 are both 3 Ohms and Vin = 10 VFor most of the circuits, determine all the voltages and currents necessary this usually involves:(Eth, VR1, VR2) VB,VC,VE, VCE,VCB, IB, IC,IE, (I'C) Use Beta DC = 100
- For the circuit shown in the figure above, what is the value of Io? Assume that Vs = 431 V, R1 = 18 , R2 = 10 , and R3 = 10 .A moving coil ammeter gives a full scale deflection for a current i = 60 mA and its coil has a resistance RC = 0.5 Ω. It is provided with a multiplier resistance Rm = 2.5 Ω added in series. What is the full scale deflection in volts of this modified ammeter? Select one: a. 150 mV b. 30 mV c. 24 mV d. 180 mVA potentiometer consisting of a wire of length L0 has a source of emf, ɛ connected across it. When a standard cell with emf V = 6V, in series with a voltmeter, is connected at one end of the wire and at a distance L = 4 cm along the wire the voltmeter circuit is in balance and the voltmeter reads zero. When the standard cell is replaced by a source of unknown emf the new balance length is found to be 6 cm. What is the unknown emf? Select one: a. 9 V b. 8 V c. 4 V d. 3 V
- In the circuit given in the figure | VBE | = 0.7V, R1 = 6.19Kohm, R2 = 20.63Kohm, RC = 0.70Kohm, RE = 2.10Kohm, VCC = - 9.00V, Beta = 279.00, calculate the IC current by full analysis. When making your transactions, 2 steps will be taken after the point. Select the closest option according to +/- 10% margin of error. There is only one correct answer to the question.What is the value of the Thévenin resistance, in ohms, for the circuit to the left of vx. R1 = 0.11 ohmsA 150V moving iron volt meter intended for 50Hz has an inductance of 0.7H and a resistance of 3K ohm. Find the series resistance required to extend the range of instrument to 300V if this 300V - 50Hz instrument used to measure dc voltage find the dc voltage when the scale reading is 200V