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Activity:
Find CT, V1, V2, V3 & UT, when C1 = 1F, C2 = 2F, C3 = 3F & QT = 4C.
in a geology class you were asked to determine miniscule pieces of rocks are magnetic or not. the problem is you don't have available magnets in the laboratory but few copper wires and a power supply. how will you identify the magnetic property of rocks?
How much energy in KWH is consumed by 600 watt bulb running for 20 hours
(a) Find the net electrostatic force at sphere B. (b) Find the net electric field at (4,-3)
Eight 7.0-W Christmas tree lights are connected in series to each other and to a 110-V source. (a) Show the illustration (b) What is the resistance of each bulb?
1. Determine the current in and voltage drop across each resistor
R1= 6 ohms(vertical) connected to R2= 4 and R3= 12(which are in the middle and in horizontal form), connected to R4= 8(vertical form); V= 60V
2. Find the equivalent resistance of the combination of resistors shown below.
Three resistors with values of 60.0 Ω, 30.0 Ω,
and 20.0 Ω, respectively, are connected in
series to a 110.0 V battery of negligible
internal resistance. Draw a circuit diagram
and find the (a) equivalent resistance of
the combined resistors, (b) current flowing
through each resistor, (c) voltage drop
across each resistor, and (d) the power
dissipated by each resistor.
A copper wire that has a radius of 3 cm has a uniform charge density of 12µC/m 2 . Determine the total charge present in a 1.0-m long section of the copper wire.
A device is supplied with a 320 mA current. Voltage present at device is 9V. Battery is discharged after 6 hours. What is the amount of utilized electrical work?
21.For the network shown in Figure below, determine the current flowing in each branch.
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