An iron is connected to a 120 V circuit. The current flowing through it is 8 A. What is its resistance in ohms?
Q: An electric space heater is connected across a 120 V potential difference. If 1.5 kW of power are…
A:
Q: A resistor is connected in series with a power supply of 20.00 V. The current measure is 0.50 A.…
A:
Q: A piece of copper wire of resistance R is cut into 3 equal parts. When these three are connected in…
A: Given: The resistance of the copper wire is R. The copper wire cuts into three identical parts.
Q: A certain wire has a resistance 9 Ω. What is the resistance of a second wire, made of the same…
A: Given: Resistance of wire R=9Ω Length of wire =L, Diameter of the wire =2r…
Q: The emf of a particular battery is 45V and the internal resistance is r=7Ω. When attached to load…
A: a) The required terminal voltage is,
Q: A technician is troubleshooting a problem in an electrical circuit. Sevenidentical air conditioners…
A: Given data The total current flowing through the conditioners is IT = 12.845 A. The number of…
Q: When a 20.8-Ω resistor is connected across a 15.6-V battery, a current of 500 mA flows. What is the…
A:
Q: A certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same…
A:
Q: You measure an object's resistance (with an ohmmeter or multimeter), and get 120 Ω. Then you…
A: As we can see from diagram the actual resistance of object must be equal to Resistance in first fig…
Q: To find the internal resistance and emf of a battery, it is connnected across different loads…
A:
Q: Two resistors with resistances of 3.5 ohms and 5.4 ohms are connected in series to a battery and…
A:
Q: You have a LED light bulb that is 6.0 W. You know the potential difference across the light bulb is…
A:
Q: A 217-ohm lamp, a 124-ohm lamp, and a 323-ohm lamp are connected in series and placed across a…
A:
Q: A circuit contains a 10.0 ohm resistor, a 12.0 ohm resistor, and a 6.0 ohm resistor. If they're…
A:
Q: Two resistances R1 = 10 ΩΩ and R2 = 20 ΩΩ are in parallel. What is the equivalent resistance?
A:
Q: The emf of a battery is 12.0 volts. When the battery delivers a current of 0.500 ampere to a load,…
A: Given data: The emf of battery is ε=12.0 V. The current delivered to load is I=0.5 A. The potential…
Q: A 3.0 Ohm wire is 4.3 meters long. If the wire is cut in half, the resistance will be...?Explain.
A:
Q: A certain wire has a resistance 7 Ω. What is the resistance of a second wire, made of the same…
A:
Q: When it is not connected to a circuit, a battery measures 6.00 V on a voltmeter. You connect it to a…
A:
Q: current of 0.080 A passing through a human body could be fatal. If you accidentally touched a 110 V…
A: Given V = 11O V I = 0.080 A
Q: An element in an electro heating unit is applied to 232 volt power supply. The current flow through…
A: Given information: The voltage supplied (V) = 232 volts The current through the element (I) = 19 amp…
Q: An auto mechanic needs to determine the emf and internal resistance of an old battery. He performs…
A: An old battery measurement by the voltmeter is 11.7VThe ammeter reading is 17.1A
Q: A defibrillator sends a 6.5 A current through the chest of a patient by applying a 9500 V voltage as…
A:
Q: You make a circuit with a 15.4 V battery, a 27.0 ka resistor, and a 693 µF capacitor in series. If…
A:
Q: Three resistors with resistances R1 = 0.66 ohm, R2 = 4.56 ohm, and R3 = 8.73 ohm are is parallel…
A: Here is your answer step by step --->
Q: 7. A 100 Ohm, 200 Ohm, and 500 Ohm resistor are connected in parallel. These are then connected to…
A: The equivalent resistance of resistors connected in parallel is given as:1Rp=1R1+1R2+1R3+.... Ohm's…
Q: What is the resistance of the circuit?
A: Given Current flowing in circuit =I = 6.7 m Amp Voltage across the battery= V = 13 V Charge…
Q: Consider the circuit shown in the diagram below. The battery has a voltage V = 12.0 V and the…
A: R2 and R3 are in paralllel, soR23=2.80 Ω7.00 Ω2.80 Ω+7.00 Ω=2.0 Ω R23 and R4 are in paralllel,…
Q: A resistor of 9 ohms is carrying a current of 4 amperes. What is the voltage that would be…
A: Given data: Resistance (R) = 9 Ω Current (I) = 4 A Required: Voltage (V)
Q: Wire 1 has a resistance of 0.3 ohms. Wire 2 is made of the same material as wire but is three times…
A: Given information:Resistance of the wire 1 = 0.3 ohmLength of wire 1 be “l”The diameter of wire 1 be…
Q: Four 2.2 V cells are connected in series to a 8.0 N light bulb. If the resulting current is 0.75 A,…
A:
Q: A5 ohm and 8.0 ohm resistor are wired in parallel. What is the total resistance? A circuit has a…
A:
Q: Answer the three following questions: A. Find the equivalent resistance of 12Ω, 25Ω and 42Ω…
A:
Q: A 2-V battery has 0.02 ohms internal resistance. It is attached to a 4 ohm resistor. What is the…
A: Voltage, V = 2 V Internal resistance, r = 0.02 Ω External resistance, R = 4 Ω Terminal voltage, Vt =…
An iron is connected to a 120 V circuit. The current flowing through it is 8 A. What is its resistance in ohms?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Three resistors are hooked up in parallel with a 12 volt battery. The resistor values are 150 ohms, 220 ohms, and 320 ohm. What is the current out of the battery?Two resistors of 15 and 30 Ω are connected in parallel. If the combination is connected in series with a 9.0-V battery and a 20-Ω resistor, what is the current through the 15-Ω resistor (in A)?Three resistors, 25Ω, 45Ω, and 75Ω, are connected in series, and a 0.51-A current passes through them. What is the equivalent resistance of the circuit? 125Ω 135Ω c. 145Ω d. 155Ω The current in a 47-Ω resistor is 0.12 A. This resistor is in series with a 28-Ω resistor, and the series combination is connected across a battery. What is the voltage of the battery? 24 V 15 V c. 12V d. 9V A coffee-maker (14Ω) and a toaster (19Ω) are connected in parallel to the same 120-V outlet in a kitchen. How much total power is supplied to the two appliances when both are turned on? 2 b. 2.2 c. 3.2 d. 4.2 A 16-Ω loudspeaker, an 8.0-Ω loudspeaker, and a 4.0-Ω loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors. 34Ω b. 0.44Ω c. 0.54Ω d. 0.64Ω A 60.0-W lamp…
- A current of 2.16 is generated from a battery whose internal resistance is 0.85. You measure the voltage across the battery terminals to be 10.86 V. What is the EMF of the battery?An ammeter is used to measure the current flowing through a circuit consisting of only two resistors in series with a D.C. power supply. The power supply is set to 25 Volts. One of the resistors has a resistance of 24 Ohms. If the ammeter measures 0.6 Amps, what is the resistance of the other resistor?A 6.00 V lantern battery is connected to a 10.5 ΩΩ lightbulb, and the resulting current in the circuit is 0.390 A. What is the internal resistance of the battery? Rinternal = ?
- Three 1250 Q resistors are wired in series. What is the total resistance of the combination? (Express your answer in Q).Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.What is the output voltage (in V) of a 3.0000 V lithium cell in a digital wristwatch that draws 0.340 mA, if the cell's internal resistance is 1.90 Ω?