A 19th century lab technician is testing possible metals for bulb filaments. A carbon filament with a surface area of 0.350 mm² and an emissivity of 0.977 radiates 2.20 W of light. Determine the filament's temperature (in K). The melting point fc bon is 3773 K. K

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Q: Express the following in scientific notation and indicate how many significant figures each has. a.…

A: Scientific notation and indicate how many significant figures each has. a. 5780.0 b. 0.008401 c.…

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A: Write the given values of the problem- Previous meter reading=12800 KWh current meter reading=13100…

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A: Pascal second (Pa-s) cannot be converted into m²/s. But it can be converted into N-s/m².     Pascal…

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A: Given data :- V1= 1 volt R1= 0.5 ohm

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A: Given data:  Speed (v) = 41 m/s Required: Speed in km/h

Q: b) Calculate the energy delivered to the ment at t 10, 30, and 80 ms. %3D

A: (b) part of this problem is solved. Given: The figures given is as follows:   Introduction: Power…

Q: Convert the following numbers to scientific notation. (a)    568,157 --- ✕ 10 --- (b)    0.000301…

A: (a) The scientific notation of the given number is,

Q: For the circuit given in Figure 1.1, fill in the truth table given in Table 1.1. A B C Figure 1.1…

A: INTRODUCTION:- Logic Gates: While the appropriate logic collection has been developed, logic  gates…

Q: If the uoot mean &quaee (rm-s.) value of a is 250 V, what is ė ts n altemaling uoltage þeak value ?

A: To find-Peak value of alternating voltage=?Given-Erms=250 V

Q: 8. (II) Estimate the average force exerted by a sho a 7.0-kg shot if the shot is moved through a 2.8…

A:

Q: An eagle can fly 10km/s. how long will it take for the bird to fly 250km?

A: Speed of the Eagle, v = 10 km/s Distance, s = 250 km   Time = Distance/Speed or t = s/v or t =…

Q: A parallel-plate capacitor is charged to 5000 V. A proton is fired into the center of the capacitor…

A: It is given that,The capacitor voltage is V= 5000 volts.The initial speed of the proton is The mass…

Q: Find x?

A:

Q: a 9.50 SL 10,0V Iz 1.402 3.00V e Is

A:

Q: 1.34 Given that a certain slab of silicon material exhib- its the charge-density distribution of…

A: We have to label the Electric Field E(x) as well as the Electric Potential

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A:

Q: 1.35 Find the interval of convergence for the series: x² x3 x4 +... 42 22 32

A: The given series is x-x222+x332-x442+.....            (A)The series formed by the coefficient…

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A: In the given circuit, We have to determine the values of v1 through v4.

Q: An electric water heater consumes 7.13 kW for 3.85 h per day. What is the cost (in dollars per year)…

A: An electric water heater consumes 7.13 kW for 3.85 h per day. In a year, the heater consumes…

Q: for an electric rate of 8.9071/kwh, what does it cost to live a 60 -W light bulb on for 8hr

A:

Q: D. Calculate the following with the correct number of sig figs. 1. 5.00 + 2.1 2. 901 11.90

A:

Q: What is the cost of operating a 54.64-W light for a year if the cost of electricity is $0.2 kWper hr…

A: Power (P) = 54.64 Watt= 0.05464 kW cost = $0.2 kW per hr time (t) = 1 year

Q: Express the following quantities in standard decimal form and indicate how many significant figures…

A: Given values: a. 4.56×10-3 b. 0.08120×105 c. 4.56×104

Q: (f) A B ΙΩ 12V 3A M ww D 2A 1 SA 10V E F ww 3A ww G H

A:

Q: 9. Write the following as full (decimal) numbers without prefixes on the units (d) 62.1 ps (e) 22.5…

A: For finding the full numbers, we just need to know the decimal representation of the unit prefix.…

Q: Calculate v and vz in the circuit in Fig. 3.60 using nodal analysis. 20 45 3A

A:

Q: An electric water heater consumes 5.63 kW for 2.85 h per day. What is the cost (in dollars per year)…

A: Given: The heater consumption of electricity is 5.63 kW for 2.85 h per day. The cost of electricity…

Q: An electric water heater consumes 4.88 kW for 3.85 h per day. What is the cost (in dollars per year)…

A: In one day number of kWh used, 4.88×3.85=18.788 kWh

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A: GIVEN: Current in the horizontal power line is, i=3950 A Earth's magnetic field is, B*=86.8 μT…

Q: Problem 4.12 Calculate the potential of a uniformly polarized sphere (Ex. 4.2) directly from Eq.…

A: Potential due to uniformly charged sphere isV(r)=3ϵ0​r2R3Pcosθ​             for (r>R)  and…

Q: 5. (1e:1.9) Replace the circuit from problem 14 with the simpler one shown in Figure 1.41. Vth is a…

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Q: 1. 200 kg = 2. 6um = 3. 4 Tbytes = 4. 5 Mm 5. 4 mg bytes mm kg %3D

A: We know that1 kg =103gAccording to question200kg=200103g200kg=200000g200kg=2×105g

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A: components of a vector is obtained by resolution of vector

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Q: None

A: Step 1: Step 2: Step 3: Step 4:

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A: Capacitor discharging equationq=Qe-tRC This equation will be applied after switch is opened.

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Q: Convert 3.7 from g/m³ to SI units. Answer units

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A:

Q: &= 25 V & = 36V R-140 R-40 R-70 R-40 I=7A &= 20V F A)" T

A:

Q: The previous reading in my meter is 36893 and the present reading is 36989 after a month. How much…

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Q: A 10-watt energy-saving fluorescent lamp is designed to produce the same illumination as a…

A: