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Question 6 a) What size is the electric force between two electrons separated by a distance...
Question 6 a) What size is the electric force between two electrons separated by a distance...
Question 6 a) What size is the electric force between two electrons separated by a distance of 0.1 nm? (2 marks) b) What size is magnitude of the electric field at a distance of 0.7 nm from a proton? (2 marks) c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks) e) What is AC electricity? (2 marks) Total...
Question 6 a) What size is the electric force between two electrons separated by a distance...
Question 6 a) What size is the electric force between two electrons separated by a distance of 0.1 nm? (2 marks) b) What size is magnitude of the electric field at a distance of 0.7 nm from a proton? (2 marks) c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks) e) What is AC electricity? (2 marks) Space...
c) What size is the gravitational force between the Moon and the Earth? (2 marks) d)...
c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks) c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks)
please, answer all the questions Question 5 a) A transformer has 500 turns on the primary...
please, answer all the questions
Question 5 a) A transformer has 500 turns on the primary and 1500 turns on the secondary. If the output voltage is 36 V what is the input voltage? What type of transformer is this? (3 marks) b) 100 kW is delivered to a town along power lines that have a total resistance of 0.4 0. Calculate the power loss if the electricity is delivered at a voltage of () 240 V and (ii) 24kV....
please, answer all questions Question 3 For Figure 1 use Kirchhoff's Laws to find the currents...
please, answer all questions
Question 3 For Figure 1 use Kirchhoff's Laws to find the currents 11, 12 and 13, and find the total resistance of the circuit. Total 10 marks Space to answer Question 3 here RI R; 492 1 1, 192 + + 12 22 B 28 V R2 7V B2 Figure 1: Question 4 a) Two 8k resistors are connected as a potential divider with a supply p.d. of 20 mv. What is the current flowing and...
please, answer all questions Question 4 a) Two 8k resistors are connected as a potential divider...
please, answer all questions
Question 4 a) Two 8k resistors are connected as a potential divider with a supply p.d. of 20 mv. What is the current flowing and the p.d. across each resistor? (5 mark) b) The circuit shows four arrangements A, to D of three 2uF capacitors which arrangement has the smallest capacitance, the largest capacitance. (5 mark) Total 10 marks Space to answer Question 4 here А HAHE D HA Question 5 a) A transformer has 500...
Question 1 a) Calculate the Effective Resistance of the circuit and total current of the network...
Question 1 a) Calculate the Effective Resistance of the circuit and total current of the network in figure 1 (5 marks) b) Calculate the Effective Resistance of the Network of Resistors in figure 2 (5 marks) Total 10 marks Space to answer Question 1 here + 9V R 90 92 SRZ 45 32 Rz 180 32 Figure 1: 10 10 102 102 А 320 3202 320 19 B Figure 2 Question 2 a) Explain the assumptions made in the definition...
It is known that the electric force of repulsion between two electrons is much stronger than...
It is known that the electric force of repulsion between two electrons is much stronger than the gravitational attraction. For two electrons at a distance d apart, calculate the ratio of the size of the electrostatic repulsion to that of the gravitational attraction. Use the following data: k = 8.99 Times 10^9 Nm^2/C^2, e = 1.60 Times 10^-19 C, G = 6.67 Times 10^-11 Nm^2/kg^2, m_e = 9.11 Times 10^-31 kg. Tries 0/20
a) Calculate the electric force Fe between a stationary proton and uranium nucleus...separated by a distance...
a) Calculate the electric force Fe between a stationary proton and uranium nucleus...separated by a distance of 3.6 nm: (consider the uranium a point charge) b) is this force repulsive or attractive? Why? c) determine the intial acceleration of the proton:
When Earth and the Moon are separated by a distance of 3.84 × 108 meters, the...
When Earth and the Moon are separated by a distance of 3.84 × 108 meters, the magnitude of the gravitational force of attraction between them is 2.0 × 1020 newtons. What would be the magnitude of this gravitational force of attraction if Earth and the Moon were separated by a distance of 1.92 × 108 meters?
Question 6 a) What size is the electric force between two electrons separated by a distance of 0.1 nm? (2 marks) b) What size is magnitude of the electric field at a distance of 0.7 nm from a proton? (2 marks) c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks) e) What is AC electricity? (2 marks) Total...
Question 6 a) What size is the electric force between two electrons separated by a distance of 0.1 nm? (2 marks) b) What size is magnitude of the electric field at a distance of 0.7 nm from a proton? (2 marks) c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks) e) What is AC electricity? (2 marks) Space...
c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks) c) What size is the gravitational force between the Moon and the Earth? (2 marks) d) What size is the Sun's gravitational field at the surface of the Sun? (2 marks)
please, answer all the questions
Question 5 a) A transformer has 500 turns on the primary and 1500 turns on the secondary. If the output voltage is 36 V what is the input voltage? What type of transformer is this? (3 marks) b) 100 kW is delivered to a town along power lines that have a total resistance of 0.4 0. Calculate the power loss if the electricity is delivered at a voltage of () 240 V and (ii) 24kV....
please, answer all questions
Question 3 For Figure 1 use Kirchhoff's Laws to find the currents 11, 12 and 13, and find the total resistance of the circuit. Total 10 marks Space to answer Question 3 here RI R; 492 1 1, 192 + + 12 22 B 28 V R2 7V B2 Figure 1: Question 4 a) Two 8k resistors are connected as a potential divider with a supply p.d. of 20 mv. What is the current flowing and...
please, answer all questions
Question 4 a) Two 8k resistors are connected as a potential divider with a supply p.d. of 20 mv. What is the current flowing and the p.d. across each resistor? (5 mark) b) The circuit shows four arrangements A, to D of three 2uF capacitors which arrangement has the smallest capacitance, the largest capacitance. (5 mark) Total 10 marks Space to answer Question 4 here А HAHE D HA Question 5 a) A transformer has 500...
Question 1 a) Calculate the Effective Resistance of the circuit and total current of the network in figure 1 (5 marks) b) Calculate the Effective Resistance of the Network of Resistors in figure 2 (5 marks) Total 10 marks Space to answer Question 1 here + 9V R 90 92 SRZ 45 32 Rz 180 32 Figure 1: 10 10 102 102 А 320 3202 320 19 B Figure 2 Question 2 a) Explain the assumptions made in the definition...
It is known that the electric force of repulsion between two electrons is much stronger than the gravitational attraction. For two electrons at a distance d apart, calculate the ratio of the size of the electrostatic repulsion to that of the gravitational attraction. Use the following data: k = 8.99 Times 10^9 Nm^2/C^2, e = 1.60 Times 10^-19 C, G = 6.67 Times 10^-11 Nm^2/kg^2, m_e = 9.11 Times 10^-31 kg. Tries 0/20
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