Need help with part b please !!!!!! (a) What is the hot resistance (in Ω) of a 29 W light bulb that runs on 120 V AC? ANS: 496.5 Ω (b) If the bulb's operating temperature is 2700°C, what is its resistance (in Ω) at 2570°C? ANS: _____ Ω
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- A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.80 MS. After a time of 3.00 s, the voltmeter reads 3.0 V. Part A What is the capacitance of the circuit? Express your answer with the appropriate units. C = Submit Part B T = Value Request Answer Submit What is the time constant of the circuit? Express your answer with the appropriate units. Value Units Request Answer PO Units ? ?For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. Figure 1 of 1 3.0 A ww R 2.0 A ww-ww R 10 Ω ▾ ▼ 26d Part A What is the resistance R in (Figure 1)? Express your answer in ohms. 17| ΑΣΦ R = Submit Request Answer Part B What is the emf of the battery in (Figure 1)? Express your answer in volts. [ΠΙ ΑΣΦ E = Submit Provide Feedback Request Answer C t ? ? Ω VThe resistance of an electric heater is 75 Ω when connected to 120 V. How much energy does it use during 50 min of operation? J
- PLEASE ANSWER ALL PARTS!!!!!!!!!!! VERY URGENT!!!!!!!!!!Part A (Figure 1) Determine the current through each of the resistors in the figure. Express your answers numerically using two significant figures separated by commas. Figure 1 of 1 > Hν ΑΣφ I12n. I14n. In5n. I20. Isn = 0.18,0.16,0.19,0.15, – 0.01 A 22 Ω 12 2 Submit Previous Answers Request Answer 15 Ω X Incorrect; Try Again; 5 attempts remaining 25 Ω 14 2 Part B 6.0 V What is the direction of I150?Can you help please
- Part A For what emf Ɛ does the 200 N resistor in the following figure dissipate no power if AV = 150 V ? (Figure 1) Express your answer with the appropriate units. Figure 1 of 1 ? HA Value 100 N 300 N V AV 200 N E?Part A Calculate the terminal voltage for a battery with an internal resistance of 0.950 N and an emf of 3.70 V when the battery is connected in series with an 79.8 N resistor. Πνα ΑΣφ Vab = V 国A flash unit for a camera has a capacitance of 1800 uF . Part A What resistance is needed in this RC circuit if the flash is to charge to 90% of its full charge in 22 s? Express your answer using two significant figures. [ΨΕΙ ΑΣΦ R = Submit Previous Answers Request Answer ? ΚΩ
- When an ammeter is used to measure the current is in the circuit shown in (Figure 1 ), it reads 6 A. Part A What is the resistance of the ammeter if v₂ = 27 V? Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) Figure 2.516 Us is 4.80 16 1 of 1 με ? Rmeter 4.5 Ω Submit Previous Answers × Incorrect; Try Again; 2 attempts remaining Part B What is the percentage of error in the current measurement? Express your answer as a percentage to three significant figures. ▸ View Available Hint(s) % error = 40 ΜΕ ΑΣΦ Η vec Submit Previous Answers × Incorrect; Try Again; 5 attempts remaining < Return to Assignment Provide Feedback ? %Two resistors are connected in series to a battery with an emf of 12 V. The voltage across the first resistor is 2.8 V and the current through the second resistor is 0.17 A. Part A Find the resistance of the first resistor. Express your answer using two significant figures. R₁ Submit Part B [5] ΑΣΦ Request Answer Find the resistance of the second resistor. Express your answer using two significant figures. ? Ω