Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

hora Sport, Circuit Review e 5 per 1. Label what the following units measure. (g

ID: 1599917 • Letter: H

Question

hora Sport, Circuit Review e 5 per 1. Label what the following units measure. (g) kWhrs (h) kW W (b) Volts 2. oltage. v source. A lamp draws 1.5 A from a 120 (a) How much energy does the lamp convert in 34 minutes? Goules & kWh) (b) How much charge pass through the lamp in the 3.4 minutes? ener 3. A 4000 W air conditioner is attached to a 120 V circuit. (a) How much current does the dryer draw? If it costs 9 c per kWh, how much would it cost to operate the air conditioner for 5 hours? (c) How many electrons would pass through the air conditioner in 5 hours? 4. What does the utility company really sell us? (answer all that apply) (a) power (b) kilowatts (c) energy (d) kilowatt hours (e) Joules 5. What is the purpose of a fuse? 6. A 900, 60 n, and 30 n resistor are connected across a 20 V source as shown below. (a) What is the current through the 60 n resistor? WM (b) What is the voltage across the 90 n resistor? LAwd (c) If it costs 8 e per kWh, how much would it cost to run the whole circuit for 40 minutes?

Explanation / Answer


1)

a) J- joules - Energy
b) V- volts - Voltage or potential difference

C) A- amps - electric current

D) ohm - Electric resistance

E) C/sec = amp- Electric current

f) W -watt - Power

g) kWhrs - kilo watt hours - Energy

h)kW - kilo watts -Power