It's electric
Which unit is used to measure resistance in a circuit?
Ohms
In a series circuit, what value is the same throughout?
current
A combination circuit must have what
a series and parallel circuit
Explain a benefit to using a parallel circuit.
if one light goes out, the others stay on...other answers may vary
In a parallel circuit, what value is the same throughout?
voltage
the flow rate of energy through a circuit
current
In a series circuit, what subatomic particle moves AND in what direction?
electrons from + end to - end
Draw a combination circuit which flows through three resistors and has two bulbs in parallel.
teacher will assess
What is the resistance of a 5Ω and 10Ω resistor in parallel?
3.33 Ohms
What is a kWH?
kilowatt hour - how much power is used in an hour
The kind of electric circuit which is predominantly used in homes.
alternating current
Calculate the total resistance of a series circuit with a .5 ohm resistor, 2 - 3 ohm light bulbs, and a .75 ohm resistor.
7.25 ohms
Two 60 Ohm resistors are connected in parallel and this parallel arrangement is then connected in series with a 30 Ohm resistor. The combination is placed across a 120 V potential difference. What is the equivalent resistance for the entire circuit?
60 Ohm
If a 15 ohm resistor is connected in parallel with a 30 ohm resistor, what is the equivalent resistance?
10 Ohms
An electric motor draws 150 amperes of current while operating at 240 volts. What is the power rating of this motor?
3.6×104 W
An electric heater works by passing a current of 220 A though a coiled metal wire, making it red hot. If the resistance of the wire is 3.5 ohms, what voltage must be applied to it?
770 V
In this circuit - see sheet, three resistors receive the same amount of current (4 amps) from a single source. Calculate the amount of voltage “dropped” by each resistor.
1= 4
2= 8
3=12
Calculate the equivalent resistance for the highlighted portion of the combo circuit.
1.55 ohms
What is the voltage at location V2?
12v
Draw a schematic of a parallel circuit with 3 -1.5V batteries, which has 2 light bulbs in series and one bulb on the secondary loop.
teacher will assess
What is a coulomb?
unit for electrical charge, amount of charge transferred by a current of one amp per second
Calculate the total voltage required to power the circuit shown on the sheet.
40 V
Calculate the Total Current of the circuit - see sheet
0.80 Amps
Calculate the total current in the parallel for 500 diagram.
1.714 Amp
Martin has an 1,200-W hair dryer. If he uses it one hour a week, how much energy (kWh) will he use in one year (52 weeks)? If electricity costs $0.08 per kWh, how much will this cost?
$4.99