Homework Answers
Generally, 1 watt of power is equal to work performed by 1 amp current push by 1 volt through a resistance.
Power (P) = V * I
and also 1 hp = 746W
so 1W = 
So the answer is 2nd option " One volt (v) one amp(I) through a circuit."
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One watt (W) of power is available when: Choose the best answer The energy is created...
A "120-watt" lightbulb uses an average power of 120 W when connected to an rms voltage...
A "120-watt" lightbulb uses an average power of 120 W when connected to an rms voltage of 120 V. What is the resistance of the lightbulb? What is the maximum current in the bulb? What is the maximum power used by the bulb at any given instant of time?
3. An electric motor draws 2238 W and 12 A when operating on a 240 V source. Determine the (a) Po...
3. An electric motor draws 2238 W and 12 A when operating on a 240 V source. Determine the (a) Power factor of the motor. (b) Apparent power input to motor. (c) True power input to motor. (d) Horsepower output of the motor if it is 75% efficient. 4 The follwing s found on the nameplate of a motor. 3 hp 60 Hz 1 phase 120/240 V 34/17 A 1,740 RPM irthe power factor of the motor is 0.30, what...
Choose the best answer from the available descriptions about the following circuit diagram. A B 4...
Choose the best answer from the available descriptions about the following circuit diagram. A B 4 V 6 V 10 V 5 V The circuit does not adhere to Kirchoffs Voltage Law. The circuit does adhere to Kirchoffs Voltage Law. The circuit does not adhere to Kirchoffs Current Law The circuit does adhere to Kirchoffs Current Law. I do not know +
Question 4. (a) A full-wave bridge rectifier power supply is powered from the secondary of a...
Question 4. (a) A full-wave bridge rectifier power supply is powered from the secondary of a transformer which has a rms secondary voltage of 15.6V. The primary of the transformer is connected to a 50Hz, 230VRMS power supply. A 2700uF filter capacitor is used. A current of 1.5 Amp is drawn from the supply. (i) Sketch a schematic diagram of the setup. (ii) Calculate the mean de output voltage. Assume each power diode has a forward voltage drop of 1...
1) An electric heater consumes electrical energy at a rate of P = 150 W when...
1) An electric heater consumes electrical energy at a rate of P = 150 W when connected to a battery with an emf of 120 V. (a) What is the current in the heater? A (b) If you wish to increase the power consumption to 300 W, by what factor should the heater resistance be changed? Rfinal Rinitial = (c) What is the maximum power that could be drawn if the circuit contained a circuit breaker that limited the current...
Because it can go from rest to 7.4 m/s (about 17 mi/h) in 1.1 s, one...
Because it can go from rest to 7.4 m/s (about 17 mi/h) in 1.1 s, one of the fastest-accelerating animals is the cheetah. If its mass is 56.0 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in the following units. (a) watts Can you write an expression for the average power of the cheetah in terms of the work done by the cheetah and the time over which this...
Name: How moch energy (work) is expended to move an object 30 with a force of...
Name: How moch energy (work) is expended to move an object 30 with a force of 5 Ihe? eet can an object be moved with 50 ft. lb, of energy if it takes 2.5 lbs of force? How mary wwy icht bulb will use a specifie amount of energy in 30 minutes. How many meters can you move a car with the same amount of energy if it takes 200 Newtons of force to Our Styhawks use 160 horsepower engines....
1. is the power factor when the AC current through a circuit leads the voltage by...
1. is the power factor when the AC current through a circuit
leads the voltage by sixty degrees? Is the load inductive,
capacitive, or balanced?
2. Find both the real and the complex power created by the
generator in the AC circuit depicted in the image linked below.
0.4 H 32 50 m 5sin(10t) V
please choose one of the answer choices above. Must show all work, thank you Question 5...
please choose one of the answer choices above.
Must show all work, thank you
Question 5 CIRCUIT C1 (2.5 Marks) Statement: Sketching relevant output (Vc-Ic) characteristics decide on Q-point coordinates and DC load-line details: That is, determine DC operating conditions of the NPN-BJT/Si circuit of Fig.5 (denoting the type Circuit C1). Assume the following: Vcc= 18 volt; Rc = 1.5 k; RB1 = 75 k; RB2 = 3.6 k; V CESat = 1 volt; and a = 0.99338. +Vcc VIC...
please choose one of the answer choices above. Must show all work, thank you Question 1...
please choose one of the answer choices above.
Must show all work, thank you
Question 1 CIRCUIT A.1 (2.5 Marks) + Vcc RB IB Rc Vc VB Fig. 1: CIRCUIT A.1 Statement: Sketching relevant output (Vc-Ic) characteristics decide on Q-point coordinates and DC load-line details: That is, determine DC operating conditions of the NPN-BJT/Si circuit of Fig.1 (denoting the type Circuit A1). Assume the following: Vcc= 12 volt; Rc = 3.6 k; RB = 500 k and a = 0.9....
3. An electric motor draws 2238 W and 12 A when operating on a 240 V source. Determine the (a) Power factor of the motor. (b) Apparent power input to motor. (c) True power input to motor. (d) Horsepower output of the motor if it is 75% efficient. 4 The follwing s found on the nameplate of a motor. 3 hp 60 Hz 1 phase 120/240 V 34/17 A 1,740 RPM irthe power factor of the motor is 0.30, what...
Choose the best answer from the available descriptions about the following circuit diagram. A B 4 V 6 V 10 V 5 V The circuit does not adhere to Kirchoffs Voltage Law. The circuit does adhere to Kirchoffs Voltage Law. The circuit does not adhere to Kirchoffs Current Law The circuit does adhere to Kirchoffs Current Law. I do not know +
Question 4. (a) A full-wave bridge rectifier power supply is powered from the secondary of a transformer which has a rms secondary voltage of 15.6V. The primary of the transformer is connected to a 50Hz, 230VRMS power supply. A 2700uF filter capacitor is used. A current of 1.5 Amp is drawn from the supply. (i) Sketch a schematic diagram of the setup. (ii) Calculate the mean de output voltage. Assume each power diode has a forward voltage drop of 1...
Because it can go from rest to 7.4 m/s (about 17 mi/h) in 1.1 s, one of the fastest-accelerating animals is the cheetah. If its mass is 56.0 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in the following units. (a) watts Can you write an expression for the average power of the cheetah in terms of the work done by the cheetah and the time over which this...
Name: How moch energy (work) is expended to move an object 30 with a force of 5 Ihe? eet can an object be moved with 50 ft. lb, of energy if it takes 2.5 lbs of force? How mary wwy icht bulb will use a specifie amount of energy in 30 minutes. How many meters can you move a car with the same amount of energy if it takes 200 Newtons of force to Our Styhawks use 160 horsepower engines....
1. is the power factor when the AC current through a circuit
leads the voltage by sixty degrees? Is the load inductive,
capacitive, or balanced?
2. Find both the real and the complex power created by the
generator in the AC circuit depicted in the image linked below.
0.4 H 32 50 m 5sin(10t) V
please choose one of the answer choices above.
Must show all work, thank you
Question 5 CIRCUIT C1 (2.5 Marks) Statement: Sketching relevant output (Vc-Ic) characteristics decide on Q-point coordinates and DC load-line details: That is, determine DC operating conditions of the NPN-BJT/Si circuit of Fig.5 (denoting the type Circuit C1). Assume the following: Vcc= 18 volt; Rc = 1.5 k; RB1 = 75 k; RB2 = 3.6 k; V CESat = 1 volt; and a = 0.99338. +Vcc VIC...
please choose one of the answer choices above.
Must show all work, thank you
Question 1 CIRCUIT A.1 (2.5 Marks) + Vcc RB IB Rc Vc VB Fig. 1: CIRCUIT A.1 Statement: Sketching relevant output (Vc-Ic) characteristics decide on Q-point coordinates and DC load-line details: That is, determine DC operating conditions of the NPN-BJT/Si circuit of Fig.1 (denoting the type Circuit A1). Assume the following: Vcc= 12 volt; Rc = 3.6 k; RB = 500 k and a = 0.9....
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