16. Identify the symbols in the following equation: F - (m /R) lem, the author most...
1. What is the magnitude of a point charge if the electric field it produces at a distance of 50 cm is 1.0 N/m? 2. Two point charges, one of +2.0 x 10" C and the other of +8.0 x 10-8 C, are separated by a distance of 10 cm. (a) What electric field does each produce at the position of the other? (b) What forces acts on each charge? 3. A charge Q is divided into two parts, q...
1. A heat engine operates by taking in heat at a particular temperature and a. converting it all into work b. exhausting some of it at a higher temperature c. exhausting all of it at a lower temperature d. converting some into work and exhausting the rest at a lower temperature 2. A refrigerator a. adds cold to a substance b. transfer heat from one location to another c. changes heat to cold d. removes cold from a substance 3....
1) A proton (q= 1.6 X 10^-19 C) moves along a uniform E-field ( 3.0 v/m) for a distance of 10 cm. what is the change in kinetic energy of the proton? a) 4.0 X 10^-19 J b) 8.6 X 10^-20 J c) 4.8 X 10^-20 J d) 1.6 X 10^-21 J 2) When a charged particle moves from a higher equipotential surface to a lower equipotential surface what is the nature of the work done by the electric field?...
- A circuit with an equivalent resistance of 5.0 uses 125 J of energy each second. What voltage is used to power this circuit? a) 5 V b) 15 V c) 25 V d) 45 V e) 625 V Two cylindrical resistors, A and B, are made from two different materials and have the same resistance. Resistor A has a conductivity of A = 10 03. The resistors are manufactured with the same length. The radius of Resistor A (A)...
1. In case of Coulomb's law; F# (1/4τεο) (q1g/r') what should be the value of (1/4 mi? (a) 8.988 x 10° N-mIC (b) 8.854x10*C/N-m2 (c) 8.888 x 10 C2/N-m2 (d) None 2. The electric field (E) produced by a point charge (q) at a distance 'r is? (a) (4τεο) (qy2) (c1/r) (d) None Which is true for the electric field lines? (a) 3. They cross each other (b) They starts from-ve and ends at +ve charges (c) They measure electric...
6. A circuit with an equivalent resistance of 5.0 2 uses 125 J of energy each second. What voltage is used to power this circuit? a) 5V b) 15 V c) 25 V d) 45 V e) 625 V 7. Two cylindrical resistors, A and B, are made from two different materials and have the same resistance. Resistor A has a conductivity of A = 10 03. The resistors are manufactured with the same length. The radius of Resistor A...
Problem 3: Two equal charges g.-9-2x 10-6 C are located at z 0, V-0.3 m and z 0, V 0.3 m respectively. What are the magnitude and direction of the total electric force that q and g exert on a third charge 4.0 x 10 C located at 0.4 m, y 0m? Problem 4: What is the magnitude of the electric field E at a Geld point 2.0 m from a point charge q 4.0 x 10-9 C? Problem 5:...
Quiz 1 February 13, 2019 Name Equations: F = k 9192 k=9 X 10°N m²/C2 = 1/(4teo), 80 = 8.85 X 10-12 C/N m2 e = 1.6 X 10-1°C me =9.1 X 10-31 kg m = 1.9 X 10-27 kg PE = k9;92 APE = q AV KE = zmu? E= -6 F N kg m/s2 E N/C | | PE J kg m/s | V V. JC and a negatively 1. (2) Draw the electric field lines surrounding a...
14. Two point charges are located on the y-axis. One is at y = 1.00 m, the other is at y = −1.00 m, and they both have a charge of q = +1.80 µC. (a) Determine the electric potential (in kV) on the x-axis at x = 0.320 m. kV (b) Calculate the change in electric potential energy of the system (in J) as a third point charge of −3.10 µC is brought from infinitely far away to a...
In the figure three point charge q)1 = +3.0 mu C q_2 = +2.50 mu C and q_3 = -3.50 mu C. The electric potential (in V) at point P is: a) 2250.0 b) 33750 c) 2812.5 d) 562.5 What is the speed of a proton line m/s) that has been accelerated from rest through a potential difference of 334 times 10^3 V? a) 1.6 times 10^6 b) 4.0 times 10^5 c) 8.0 times 10^5 d) 1.2 times 10^6 If...