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no, it is currents that make magnetic fields Question 4 8.75 pt Ohm's law states V...
Question 1 8.75 pts Ohm's law states V = IR, Voltage = Current x Resistance. If...
Question 1 8.75 pts Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current will it "draw"? O 5 Amps O2 Amps O 0.5 Amps 1 Amp Question 2 8.75 pts The atomic nucleus is most often made up of protons protons and neutrons Fermions neutrons electrons
Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a...
Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current will it "draw"? 5 Amps 2 Amps O 0.5 Amps O 1 Amp
Question 7 8.75 pts Can a magnetic field cause a current in a coil of wire?...
Question 7 8.75 pts Can a magnetic field cause a current in a coil of wire? yes, but only if the field is changing yes, any magnetic field can create a current no, it is currents that make magnetic fields Ono, magnetism and electrostatics are not related Question 8 8.75 pts Based on the screen this test is displayed on, if a charged particle was moving left to right through a magnetic field pointed up,^ the force on the particle...
Question 3 8.75 pts A moving charge or current can produce a magnetic field. True O...
Question 3 8.75 pts A moving charge or current can produce a magnetic field. True O False D Question 4 8.75 pts A cell phone wrapped in metal foil is observed to not be able to get a signal and ring when called. Which concept that best explains why this happens? Faraday's law Ohm's law Watt's law Coulomb's law
1 of 15 When a field is parallel to a plane of area, the magnetic flux...
1 of 15 When a field is parallel to a plane of area, the magnetic flux through the coil is A zero. B infinite. C 2. D 5. Question 2 of 15 A moving charge experiences magnetic forces because of a A magnetic flux. B magnetic field. C magnetic current. D both a and b. Question 3 of 15 Total number of magnetic field lines passing through an area is called A magnetic flux density. B magnetic flux. C emf....
(a) Which part of an atom is positively charged, and which part is negatively charged? (b)...
(a) Which part of an atom is positively charged, and which part is negatively charged? (b) How does the charge of an electron compare with the charge of another electron? (c) How does the charge of an electron compare with the charge of a proton? Can charge be created or destroyed? How does that answer relate to the conservation of charge? How is electric charge similar to mass? How are they different? What are two ways electric charge can be...
(a) (4 marks) Two long, parallel, straight wires spaced d = 0.06 m apart carry currents 4 A and 7 A in opposite directi...
(a) (4 marks) Two long, parallel, straight wires spaced d = 0.06 m apart carry currents 4 A and 7 A in opposite directions. Copy the diagram at right showing the two wires and indicating the direction of the currents in each. (i) Draw a vector indicating the direction of the magnetic field caused by the first wire at the position of the second wire. (ii) Indicate the direction of the force experienced by the second wire due to this...
Question Completion Status QUESTION 7 Which of the following statements about voltage is correct? a. Voltage...
Question Completion Status QUESTION 7 Which of the following statements about voltage is correct? a. Voltage flows between positive and negative terminals of a battery According to Ohm's Law, increasing the voltage across a resistor results in a decrease in the amount of current flowing through the Voltage is defined as the work performed to move charges in an electric field, per unit charge. s defined as the time rate of change of the magnetic field surrounding a conductor in...
QUESTION 6 Gauss's Law describes the following relationship (select the correct answer): O a. Electromotive force...
QUESTION 6 Gauss's Law describes the following relationship (select the correct answer): O a. Electromotive force induced in a conductive loop by variation of a magnetic field. b. Voltage difference across a resistance when current is flowing through the resistance. CPhase angles between current and voltage in capacitors and inductors. d. Electric flux through a closed surface and charge enclosed by the surface. QUESTION 7 "Static" electricity can be described as (select the correct answer): a. The buildup of current...
Magnetic Fields from Currents in a Wire and a Cylindrical Shell 1 2 3 4 5...
Magnetic Fields from Currents in a Wire and a Cylindrical Shell 1 2 3 4 5 6 A solid cylindrical conducting shell of inner radius a 5.5 cm and outer radius b 8 cm has its axis aligned with the z-axis as shown. It carries a uniformly distributed current l2-5.8 A in the positive z- direction. An inifinte conducting wire is located along the z-axis and carries a current l1 2.4 A in the negative z- direction. R(7074 707d) Pd,0)...
Question 1 8.75 pts Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current will it "draw"? O 5 Amps O2 Amps O 0.5 Amps 1 Amp Question 2 8.75 pts The atomic nucleus is most often made up of protons protons and neutrons Fermions neutrons electrons
Ohm's law states V = IR, Voltage = Current x Resistance. If a toaster has a resistance of 60 ohms and is plugged into a 120 volt outlet, how much current will it "draw"? 5 Amps 2 Amps O 0.5 Amps O 1 Amp
Question 7 8.75 pts Can a magnetic field cause a current in a coil of wire? yes, but only if the field is changing yes, any magnetic field can create a current no, it is currents that make magnetic fields Ono, magnetism and electrostatics are not related Question 8 8.75 pts Based on the screen this test is displayed on, if a charged particle was moving left to right through a magnetic field pointed up,^ the force on the particle...
Question 3 8.75 pts A moving charge or current can produce a magnetic field. True O False D Question 4 8.75 pts A cell phone wrapped in metal foil is observed to not be able to get a signal and ring when called. Which concept that best explains why this happens? Faraday's law Ohm's law Watt's law Coulomb's law
(a) (4 marks) Two long, parallel, straight wires spaced d = 0.06 m apart carry currents 4 A and 7 A in opposite directions. Copy the diagram at right showing the two wires and indicating the direction of the currents in each. (i) Draw a vector indicating the direction of the magnetic field caused by the first wire at the position of the second wire. (ii) Indicate the direction of the force experienced by the second wire due to this...
Question Completion Status QUESTION 7 Which of the following statements about voltage is correct? a. Voltage flows between positive and negative terminals of a battery According to Ohm's Law, increasing the voltage across a resistor results in a decrease in the amount of current flowing through the Voltage is defined as the work performed to move charges in an electric field, per unit charge. s defined as the time rate of change of the magnetic field surrounding a conductor in...
QUESTION 6 Gauss's Law describes the following relationship (select the correct answer): O a. Electromotive force induced in a conductive loop by variation of a magnetic field. b. Voltage difference across a resistance when current is flowing through the resistance. CPhase angles between current and voltage in capacitors and inductors. d. Electric flux through a closed surface and charge enclosed by the surface. QUESTION 7 "Static" electricity can be described as (select the correct answer): a. The buildup of current...
Magnetic Fields from Currents in a Wire and a Cylindrical Shell 1 2 3 4 5 6 A solid cylindrical conducting shell of inner radius a 5.5 cm and outer radius b 8 cm has its axis aligned with the z-axis as shown. It carries a uniformly distributed current l2-5.8 A in the positive z- direction. An inifinte conducting wire is located along the z-axis and carries a current l1 2.4 A in the negative z- direction. R(7074 707d) Pd,0)...
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