Given Q> Find: 2 |Q|² $ 3 0> 4 1> Find: <0/Q>, <1,Q> and
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- a two storey house in Portland, ME with dimensions 8.5m by12.0m with a height of 7.0m is heated electrically. the cost of electricity is 0.11 per kWh. estimate the annual heating cost.Plot 1 in Figure (a) gives the charge q that can be stored on capacitor 1 versus the electric potential V set up across it. The vertical scale is set by q = 28 μC, and the horizontal scale is set by Vs = 10 V. Plots 2 and 3 are similar plots for capacitors 2 and 3, respectively. Figure (b) shows a circuit with those three capacitors and a 1.2 V battery. What is the charge stored on capacitor 2 in that circuit? Number i q (μC) 95 Units V (V) (a) 8 + V (b)Use junction rule and estimate the magnitude and direction of i. 12 A +4A 5 A i O downward, 2A O upward, 4A ○ downward, 6A O upward, 6A O downward, 4A 12 A 13A
- E = +10.0 V E, = -3.0 V E,=0 V E =1.5 V (a) (b) (C) (d) E, = +7.0 V E = -4.5 V E =-1.5 V E, = -1.5 V 1. Which of the following diagrams could be applied to a fully charged 1.5 V battery? (More than one selection may be correct.)v can be determined from: morbol Combining like terms gives: e where AV- accelerating voltage. Rearranging gives: 2eAV m Substitution of (equation 2) into (equation 1) gives: Data N R V T 1 2 m I 22 v² = mv² = eAV, 150 2V nottom of B²r² e 1 2eV m Br mm, qque aswog ogslov rigid lino sifodinilladut m Procedure: C xt)s (equation 2) Sad m 99781 0.140[m] 150 V 2.15CM 10.0215 M 2.04 (equation 3) 1. Set the accelerating voltage and current as given by the instructor.no W 2. Measure the diameter of the circle formed by the electron beam with the centimeter scale next to the vacuum tube. Record the radius of the beam in the data table (not the diameter). noftsups 901 maoil bur N R V T 101 I Insanal del inobra woman de 190hef de (012) 150 turns 0.140[m] I, SA M 200 V 123.3 CM 0. 033mThe electric potential of a charged conducting sphere (as well as a spherical shell) can be calculated as Q R' V = k where is the charge and R is the radius of the sphere. Calculate the electric potential of a solid conducting sphere of a radius of R = 6 cm if the sphere loses 0.1% from the total number of its free electrons. The sphere is made of aluminum and has the density 2.7 g/cm³, molar mass 27 g/mol and one free electron per atom. Follow the steps listed below. 1. Find the number of free electrons per cm³ in aluminum. The number of free electrons per cm³, ne = Units Select an answer ✓ 2. Calculate the volume of the sphere and use it to find the total number of free electron inside the sphere. The number of free electrons, Ne = Units Select an answer 3. Calculate the charge of the sphere after it loses 0.1% of its electrons and use it to find the potential of the sphere. The electric potential of the sphere, V = Units Select an answer ✓
- Two capacitors are connected in series between the terminals of a 40.0-V battery. If their capacitances are 42.5 μF and 48.5 μF, determine the following. (a) the equivalent capacitance of the system μF (b) the magnitude of charge stored on each plate of either capacitor C (c) the voltage across the 42.5 μF capacitor (Give your answer to at least one decimal place.) V (d) the voltage across the 48.5 μF capacitor VFind the total capacitance ?totCtot of the combination of capacitors shown in the figure, where ?1=5.15 μF, ?2=3.55 μF, ?3=5.75 μF, ?4=1.75 μF, ?5=0.750 μF, and ?6=15.0 μF.3 & 4