Q: An electric car accelerates for 9.9 s by drawing energy from its 340-V battery pack. During this…
A: Total charge supply by battery pack,
Q: Calculate the current in a lighting bolt that delivers a charge of 35 coulombs to the ground in a…
A: We know thatI=qtHereI=currentq= amount of Charget=time
Q: What is the SI unit of electric current? A) Newton B) Joule C) Ampere D) Watt
A: Electric Current is the rate of flow of electrons in a conductor. The electrical current in the…
Q: Illustrate the relationship of current, voltage and electricity using a graphic organizer or a…
A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…
Q: Illustrate the relationship of current, voltage and resistance using a graphic organizer or a comics…
A: the relationship of current, voltage and resistance is given by Ohm's law.
Q: You are given a galvanometer with a resistance of 20.3 Ω and a full scale deflection current of 7.22…
A:
Q: Define the ohm. Find the currents through each branch of the circuit in the figure.
A: Ohm is the unit of electrical resistance in the SI unit system. It is resistant in a wire between…
Q: State and define household unit of electricity.
A: Household unit of electricity is kWh (kilo Watt -hour) .1kWh is equal to energy utilized at a rate…
Q: Draw a line to connect the following terms to their definitions. A the opposition to the flow of…
A: We have to match the following that is given in the question.
Q: Read the following paragraph from the introduction [paragraphs 1-3]. Holiday lights are a great way…
A: as per the above paragraph. Holiday string lights can be series or parallel circuits. (Top)…
Q: Electric Current/ Ohm's Law a Calculate the charges that passes a cross- a. section in a circuit in…
A:
Q: Write a diagram that shows it has voltage,current , and resistance altogether.
A: Answer:- A diagram that shows it has voltage, current and Resistance altogether. The relationship…
Q: | lamp switch connect i battery additional wires 1. The above diagram shows correct way to connect a…
A:
Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.019 Ω and a…
A:
Q: A battery is used to pass a current through two wires to light up a bulb. What happens to the…
A: Each Battery have two terminals one is positive and other is negative.
Q: Explain the concept of resistivity.
A:
Q: QUESTION 4 The following circuit diagram consists of a number of resistors that are connected to a 6…
A: Ohm's Law poyential difference through any conductor is directly proportional to current flowing…
Q: 1. A or in parallel. is a combination of cells that may be connected in series 2. A is an electric…
A: 1. Ans A BATTERY is a combination of cells that may be connected in series or in parallel. By…
Q: Compare and contrast electrical voltage, current and resistance.
A: We have to compare and contrast electrical voltage, current and resistance.
Q: connect switch disconnect additional wire connect battery lamp . The above diagram shows correct way…
A: SOlution: whether the above connection is true or false.
Q: Good conductors of electricity are often good conductors of heat. Why might this be? We are…
A:
Q: Determine current I2 and I3 (in Amperes) in the circuit below.
A:
Q: Over the course of an 8-hour day, 3.8x104 C of charge pass through a typical computer (presuming it…
A: Given: The time is 8 hours. The charge is 3.8×104 C. To determine: The current that…
Q: During 33 seconds of use, 340 C of charge flow through a microwave oven. Compute the size of…
A: Current is defined as rate of flow of charge, I = Q/t
Q: Current is the flow of charges in a directed path. When we connect your mobile phone charger to the…
A: When we connect the phone charger to the socket current begins to flow from the socket into the…
Q: During 48 seconds of use, 270 C of charge flow through a microwave oven. Compute the size of…
A:
Q: switch lamp connect i battery additional wires 1.The diagram shows correct way to connect a…
A: The answer is given below
Q: State and define the SI unit of electrical power.
A: Electric power is the rate, per unit time, at which electrical energy is transferred by an electric…
Q: A 60-W incandescent light bulb and a 15-W compact fluorescent light bulb (CFL) produce the same…
A: Given Power of incandescent light bulb = 60 W Power of CFL= 15 W Operating voltage for both devices…
Q: Explain how a bolt of lightning can produce a current in the circuit of an electrical appliance…
A: A bolt of lightning can produce a current in the circuit of an electrical appliance even when the…
Q: 3. The above diagram shows correct way to connect an ammeter to measure current flowing through the…
A: Ammeter should always be connected in series with circuit whereas Voltmeter should be connected in…
Q: switch lamp connect i battery additional wires 3. The above diagram shows correct way to connect a…
A: The above diagram shows correct way toconnect a voltmeter to measure potentialdifference across the…
Q: During 38 seconds of use, 260 C of charge flow through a microwave oven. Compute the size of…
A: The current is defined as the rate of flow of charges per unit time through a circuit. The movement…
Q: Current Attempt in Progress High-voltage power lines are a familiar sight throughout the country.…
A: Given: The resistivity of the aluminum is 2.82x10-8 Ohm.m. The cross-sectional area is 7.3x10-4 m2.…
Q: Combination of Resistors refers to a series and a parallel connection of resistors. True or false
A: Two or more resistors can be connected in series or parallel to produce different types of…
Q: If a battery acts like an electron pump and wires act like electron pipes, what does the word…
A: This question can be easily solved by cleaning the basic concepts of current, voltage and…
Q: Over the course of an 8-hour day, 3.8x104 C of charge pass through a typical computer (presuming it…
A: q=Charge=3.8×104 Ct=Time=8 hours
Q: Rearrange the equation current = voltage/resistance to express resistance in terms of current and…
A:
Step by step
Solved in 2 steps
- In a circuit, two or more cells of the same emf connected in parallel order A.increases the potential difference across a resistance in the circuit. B.decreases potential difference across a resistance in the circuit. C.facilitate drawing more current from the battery system. D.change the emf across the system of batteries.a.The ammeter will draw a significant current from the power supply. b.The voltmeter is in correct position for measuring the voltage of power supply. c.The ammeter is in correct position for measuring the current through the resistor. d.No current will flow through the ammeter.The resistance of a circuit element is a measure of a. the amount of work that an electron can perform. b. the total energy of the charges in the circuit element. c. the size of the circuit. d. the ratio of the voltage difference between element ends to the current in the element.
- If the voltage across a fixed resistance is doubled, what happens to the current? a. It doubles. b. It halves. c. It stays the same. d. The current cannot be determined.When a switch is closed, two pieces of conducting material A. touch, allowing the electric charges to flow through the circuit.B. touch, preventing the electric charges from flowing through the circuit.C. do not touch, allowing the electric charges to flow through the circuit.D. do not touch, preventing the electric charges from flowing through the circuit.How is an ammeter connected in a circuit to measure current flowing through it? a. An ammeter is connected in series in a circuit to measure current flowing through it. b. An ammeter is connected in parallel in a circuit to measure current flowing through it. c. An ammeter can be connected either in series or in parallel in a circuit to measure current through it. d. An ammeter can be connected anywhere in the circuit.
- 1) Which of the following statements is true about the current? A. Current is the flow of electrons on a given point in a circuit per second, or simply 1C/1s B. Current can exist without voltage C. Current unit of measurement is the coulomb D. current can flow through an open circuit 2) What acts as an opposition to the motion of current which results in generating heat? A. resistance B. AMpere C. charge D. VoltageTripling the voltage applied across an ohmic rod will A. make the protons move three time faster. B. reduce the resistance by one third. C. triple the resistance. D. reduce the current by one third. E. triple the current.The magnitude of the current density J in a conductor is equal to P/A A) I/2A B) I/A C) I/A? D) P/A? E)
- 5. A lamp draws a current of 1125 milliamperes and has a filament resistance of approximately 50.5 ohms. What is the voltage across the lamp? A) 0.63 volt B) 0.5 volt C) 6.3 volts D) 5 volts 6. A voltage of 12 volts across a lamp produces a current of 0.2 ampere. What is the filament resistance of the lamp? A) 2.4 Ω B) 24 Ω C) 6 Ω D) 60 Ω 7. What is the relative amplitude of the flow in the filament of a miniature lamp the instant power is applied in comparison with the current at full brightness? A) High. B) Low. C) The current is the same at all times. D) It depends on the type of lamp. 8. Current flow through a dc circuit is 2.5 amperes and the voltage across it is 120 volts. How much power is dissipated by the circuit? A) 5760 watts B) 120 watts C) 300 watts D) 19.2 wattsWhich of the following is incorrect for a PARALLEL combination of resistors? A. The total (equivalent) resistance of a parallel resistor circuit is greater than any individual resistance of resistors in the circuit. B. The total (equivalent) resistance of a parallel circuit is smaller than any individual resistance of resistors in the circuit. C. Different amount of current flows through each resistor in a parallel circuit. D. Same voltage drop occurs across each resistor in a parallel circuit.6. Which of the following would have an effect on the resistance of a conducting wire? A. The emf of the battery to which the resistor is connected B. The current passing the through the conductor C. The manner in which it is connected to other resistors D. The material from which the wire is made.
