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- A monocrystalline silicon solar panel (active area: 1m2 )has an energy conversion efficiency of 20%. What is the power output when irradiance of 800 W/m2 is shining on the solar panel? a. 320 W. b. 80 W. c. 240 W. d. 160 W. e. 400 W.If A=(6.00i+8.00j) units, B=(-8.00i+3.00j) units, and C=(26.0i+19.0j) units, determine a and b such that aA+bB+C= 0A 15.8-mW laser puts out a narrow beam 2.40 mm indiameter. What are the rms values of E and B in the beam?
- a=(9.81)(29.7 degrees sin) minus(0.27)(9.81)(29.7 degrees cos)At 2200 degrees Celsius, the max wavelength for the Cs lamp is at 1252 nm. The measured spectral radiance is 1.86 x 10^10 J/m^3s. If the lamp is enclosed in a quartz envelope with a transmission factor of 0.92, find the spectral emissivity for the Cs lamp.* Use the following color codes: for R1 R 1 = A (Brown) B(Black) C (Brown) D(Gold) for R2 R 2 = A (Violet) B(Yellow) C (Black) D(Gold) * Use battery of 10 v. ——•The Aim Of the experiment: Is to test a material and determine if is an ohms material or non-ohms
- Find the following quantities for A⃗ and B⃗ A⃗ = −12mˆi + 4.0mˆj + 1.5mˆk B⃗ = 2.8Nˆi − 21NˆkLight bulbs operate at 2500 degrees C. What is the wavelength at which the most power is emitted for a light bulb operating at 2500 C? A. 200 nm B. 600 nm C. 1200 nm D. 6000 nma=(9.81)(29.7 degrees sin) minus (0.44)(9.81)(29.7 degrees cos)
- 1- Consider the measurement of pressure in a gas through measurement of its temperature T and density P Let the uncertainties of T and p be oT and op where p is determined from the ideal gas P = pRT. Derive an expression of uncertainty (error) in P and determine 6P / P. Suppose the uncertainty in op is 1% and in OT is 2 ° at T = 27º. 2- A battery supplies a current I to a resistor R with a potential difference E, the percentage uncertainties in E, I and R are known to be identical should the power drawn from the battery W be calculated as E * I or 12 * R . Derive an expression of uncertainty in W.Calculate the linear density (in units of atoms/nm) along the [101][101] direction in copper.A tungesten filament is heated to 2600.0 ∘C. Calculate the wavelength for which the emission spectrum of the filament is maximum assuming that it fully absorbes light at all wavelengths. Select one: a.λmax=1009 nm b.λmax=1087 nm c.λmax=1137 nm d.λmax=1115 nm