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A: Given: m = 7 kg r = 30 cm = 0.30 m w0 = 45 rpm =45* 2pi/60 rad/s w = 120 rpm = 120*2pi/60 rad/s t =…
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A: Given data: An object is in simple harmonic motion Required: The correct statement about the…
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A: given: The angle of the prism: α=50.4° The triangular cross-section of the prism is isosceles. Hence…
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A: It is given that the line charge density is ρl=1.5 μC/m. The diagram is shown below:
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A: Required: The relationship between current and voltage in a simple circuit
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A: In this case first we find wave number after that we calculate frequency of wave
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- (a) What is the resistance of a light bulb that uses an average power of 75.0 W when connected to a 60.0-Hz power source having a maximum voltage of 170. V? (b) What is the resistance of a 100.-W lightbulb?The emf frequency in the figure (Figure 1)is 7.00 kHz. You may want to review (Pages 911 - 913). Figure (10 V)coswt www 150 Ω : 80 nF 1 of 1 Part A What is VR? Express your answer with the appropriate units. 0 HÅ Value Part B Submit Request Answer Units μÅ What is Vc? Express your answer with the appropriate units. Value ? Units ?A pacemaker applies 75 stimulating square-pulses per minute to the heart.The pulse length is 0.5 ms, and the amplitude is 5 V. Two electrodes convey the pulses from the pulse generator to the heart wall. The resistance of the heart tissue between the connecting electrodes is 6x10^2 Ohm. Calculate the energy in two stimulating square-pulse? O a. 42 uJ O b. 4.2 x 10^-8 J O c. 2.4 x 10^-8 J O d. 240 nJ
- An ac current supply is described by the following function: I(t)= 7.80 cos 5.30 t where I is the current in ampere and t is time in seconds. What is the cycle time of the current supply? O A. 0.84 s ОВ. 0.19 s о С. 1.19 s O D. 0.53 sHelp. You decide to use a toaster to toast a slice of bread using the wall outlet of your home. Knowing that the voltage supply of your home is alternating given by the function V = 120 sin (2 πft), where f = 120 Hz and t is time in seconds: 1. If the toaster oven uses nichrome wire that measures a total length of 0. 25 m with a thickness of 0.5 mm (diameter of wire), what is the resistance of the wire when heats up to 100.0 C from room temperature of 20. 0 °C? 2. Knowing the resistance value of the wire from part a) and using Ohms Law, write the alternating current equation. 3. What is the rms value for current and voltage for our toaster oven circuit? 4. How much average electrical energy J does the toaster oven use if you toast your bread for 1 minute?A series RLC circuit consists of a 92.0 Ω resistor, a 0.180 H inductor, and a 39.0 μF capacitor. It is attached to a 120 V/60 Hz power line. What is the peak current I at this frequency?\ What is the phase angle phi? What is the average power loss?
- A DC circuit which includes Emfy of unkown magnitude and orientation, at the location indicated is shown below. Note the 'ground' (V=0) in the circuit. 8 V 20 a Emfa 4 0 5 V 3 0 The potential between 'b' and 'a', Vb-Va, is measured to be 2.00 V. Determine the value and orientation of Emfy: negative: I. The potential difference, Va-Vc, across Emfy is: You are correct. Your receipt no. is Previous Tries II. The magnitude of Emfy is: 20.15 V Calculate first the current flowing from b to a. Submit Answer Incorrect. Tries 1/5 Previous Tries III. Calculate the current through the 82 resistor located on the far right. Use + sign for current flowing toward top of page. 0.0770 A Incorrect. Tries 1/5 Previous Tries Submit Answer IV. Calculate the power dissipated in the 82 resistor located on the far right. Submit Answer Tries 0/5A100 resistance is connected in series with The voltage voltage across the resistor is, 4H inductor. a V = (2.0 V) sin (10³ rad/s) (a) Find the expression of circuit current. (b) Find the inductive reactance.In the following transformer circuit VSource=12.0volts, RSource=4, the number of turn on the left-handside is 100 and on the right-handside is 800. RLis 700. a.Find the voltage across RL
- L, C and R represent the physical quantities inductance, capacitance and resistance respectively. The combinations which have the dimensions of frequency are (a) RC R (b) L (c) VLC (d)는Activity 8A: RESISTANCE 1. Theratio of the recictance of twe wi d of the Sa materi same iengun is 1.5. TIna the TaLIO OI then areas and diameters. 2. An insulated cord is made of 2.5 meters long aluminum rod with a diameter of 3.0 mm. what is the resistance of the extension cord?An RLC circuit consists of a 463 .. resistor, a 51 µF capacitor, and a 815 mH inductor, connected in series with a 67.3 V, 87.1 Hz power supply. What is the phase angle between the current and the applied voltage?