College Physics
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Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:What is the peak current (in A) through a 520 W room heater that operates on 125 V AC power?
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- A 95-W light bulb operates on an effective ac voltage of 110 V. a) What is the effective current through the light bulb? b) From Ohm's law, what is the resitance of the light bulb?arrow_forwardQ2/ for the series circuit in the Figure beside a. Find the total resistance.. b. Calculate the source current Is. c. Determine the voltages V1, V2, and V3. d. Calculate the power dissipated by R1, R2, and R3. e. Determine the power delivered by the source, and compare it to the sum of the power levels of part (d). 20 V R₁=20 R₂ = 50 W +arrow_forwardA series circuit has a sinusoidal voltage supplied to it at 632 kHz with a peak voltage of 748 V. It also contains a 25 kilo-Ohm resistance, a 16 microFarad capacitance, and a 30-H inductance. What is the peak current for this circuit? A. 11 micro Amps B. 20 micro Amps C. 6.3 micro Amps D. 26 micro Ampsarrow_forward
- The graph shows variation in current, I ( dark line) and voltage, V (dashed green line) over time in an ac circuit. Which one is the correct phasor for the current and voltage? V 05 25 35 4.5 A В V I V I V I C more information is needed to answer this question A Вarrow_forwardH1arrow_forwardPart A An 1800 W arc welder is connected to a 660–Vme ac line. Calculate the peak voltage. Express your answer using two significant figures. V ΑΣφ ? Vpeak = V Submit Request Answer Part B Calculate the peak current. Express your answer using two significant figures. Bνα ΑΣφ Ipeak = A Submit Request Answerarrow_forward
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