DC THEORY LESSON #3 PARALLEL CIRCUITS
Determine the total resistance in a circuit containing one 12 Ω and one 66 Ω resistor with a total voltage of 225 V.(Round the FINAL answer to one decimal place.)
10.2 ohms
Determine the total resistance in a circuit containing one 13 Ω and one 95 Ω resistor with a total voltage of 164 V.
11.44 ohms
There must be at least ? paths for current to flow for a circuit to be categorized as a parallel circuit.
2
Determine the current flowing through R2, given:R1 = 6 Ω, R2 = 5 Ω, and I1 = 2 A
2.4 A
If R1 = 21 Ω and E1= 208 V, what is the power of R1?
2060.2 W
Determine the voltage across resistor R2, given:R1 = 32 Ω, R2 = 27 Ω, and I1 = 0.7 A
22.4 V
Determine the voltage of the source if each resistor has a resistance of 182 Ω and the total current is 3 amps in the circuit schematic below. (Round the FINAL answer to one decimal place.)
273
Determine the total current if a circuit has three branches with branch currents of 6 amps, 10 amps, and 16.1 amps
32.1 A
Determine the total supplied voltage, ET, given:R1 = 6.3 Ω, R2 = 26.9 Ω, and I1 = 5.4 A
34 V
Determine the current flowing through R2, given:R1 = 8 Ω, R2 = 17 Ω, and I1 = 9 A
4.2 A
Determine the total voltage for the circuit, given:E1 = 40.0 V, E2 = 40.0 V, and E3 = 40.0 V
40 V
Determine the total supplied voltage, ET, given:R1 = 12.0 Ω, R2 = 7.0 Ω, and I1 = 3.4 A
40.8 V
Determine the total resistance of the circuit, given:R1 = 110 Ω, R2 = 187 Ω, and R3 = 151 Ω
47.48 ohms
Determine the voltage across resistor R2, given:R1 = 14 Ω, R2 = 33 Ω, and I1 = 3.4 A
47.6 V
Determine the total resistance of the circuit, given:R1 = 121 Ω, R2 = 167 Ω, and R3 = 198 Ω
51.81 ohms
Determine the total resistance of this circuit, given:ET = 124 V, R1 = 8 Ω, R2 = 40 Ω
6.7 ohms
Determine the voltage of the source if each resistor has a resistance of 153 Ω and the total current is 9 amps in the circuit schematic below. (Round the FINAL answer to one decimal place.)
688.5
Determine how much power would be consumed in a parallel circuit that has a source voltage of 453 volts and a total circuit current of 1.7 amps.
770.1 W
Three loads with wattages of 421 watts, 369 watts, and 77 watts are connected in a circuit. Determine the total power consumed by the circuit when all loads are operating.
867 W
RT=R/N
Equal value
What is the formula for finding total current in a parallel circuit when component currents are known?
IT = I1 + I2 + I3 + ⋯ IN
The correct formula for determining the total power consumption of the circuit when E (volts) and I (amps) are known is ? .
PT = ET × IT
The formula PT = ET × IT determines the total power consumption of the circuit when ? and ? are known.
amps / volts
The entire ? is dropped across each load in a parallel circuit.
applied voltage
RT= ET assumed / IT assumed
assumed voltage
The formula IT+ ET/RT is used to find the total ? in a parallel circuit when the total resistance and total voltage are known.
current
Adding additional resistors in parallel with those resistors already existing in a parallel circuit will always ? the total resistance.
decrease
Adding parallel loads to a circuit will ? total circuit resistance and ? the total circuit current.
decrease / increase
RT= R1xR2/R1+R2
product over sum
The "Assumed Voltage" formula is used when the ? is not known and can be used to solve for the actual resistance total of the circuit.
source or branch voltage
The total current in a parallel circuit is the ? the component currents.
sum of
The current that leaves and re-enters a single power source in a parallel circuit is called the ? .
total current
