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Charge q1 = 7.00 μC is at the origin, and charge q2 = -5.00 μC is on the x-axis, 0.300 m from the origin as shown below. (a) Find the magnitude and direction of the electric field at point P, which has coordinates (0, 0.400) m. (b) Find the force on a charge of 2.00 × 10-8 C placed at P
Find number of students securing marks >104, between 155-165, <55 from the following class data.
Class(marks) frequency (students)
0-20 210
20-40 115
40-60 130
60-80 220
80-100 120
100-120 101
120-140 120
140-160 144
160-180 132
180-200 190
1. How do you explain the operation of a simple electric motor?
2. How do you explain the operation of generator?
3. What are the similarities and differences between electric motor and generator?
4. How do you imagine the kind of life if motors and generators were not discovered?
Prove that every (relative) extreme value of a function is a stationary value but not every stationary value needs to be an extreme value.
- Check the function f(x,y)=x³-y³+9xy for it's extremum
Direction: Solve the following problems stated below. Show your solutions.
1. Compute the electric flux of the following sets of variables:
a. E = 7.2x10^-5. N/C
A = 1.6x10^-6 m^2
θ = 30°
b. E = 9.7x10^5 N/C
A = 5.3x10^-6 m^2
θ = 75°
c. E = 6.5x10^5 N/C
A = 8.3x10^-6 m^2
θ = 30°
Direction: Solve the following problems below. Show your solutions.
a. A charge of 3x10^-8 C experiences an electrostatic force of 6.0x10^-8 N. Compute the force per coulomb that the charge experiences.
b. Compute the electric field experienced by a negative test charge given the following conditions in a vacuum.
i. Source charge: -4.33x10^-12 C
ii. Distance from source charge: 2.33x10^-5 m
If the initial angular speed of the fan blades is 3.0 rad / sec, what is the final angular speed of the fan blades in rad/sec?
pure copper is immune to galvanic corrosion than brass.why?
b) Do the following fields satisfy all four Maxwell's equations? E(t)=E_(0)sin x sin t , B(t)=B_(0)cos x cos t
#340153 on Dec 2023