Electric Circuits Answers

Two resistors of ohmic values R1 and R2 are connected in series, and the combination

across a source of voltage V. How is this voltage across the resistors?

Calculate the resistance of 110-V light bulbs rated at 25, 60, 75 and 100W.

What are advantages of G.M tube

1.Two large isolated parallel plates, 1m apart, are given equal and opposite charges; the potential difference between them 12V. Points X and Y are situated at 0.25m and 0.5m from the positive plate.

a.What is the difference in potential between X and Y

b.What is the value of the ration: electric field at Y/ electric field at X

c.How much work is done in moving a charge of 2C from X to Y

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Electric Potential and Electric Potential Energy. A charge q1= 2.00 μC is located at the origin, and a charge q2 = -6.00 μC is located at (0, 3.00) m, as shown in the figure below. (A) Find the total electric potential due to these charges at the point P, whose coordinates are (4.00, 0) m. (B) Find the change in potential energy of the system of two charges plus a charge q3= 3.00 μC as the latter charge moves from infinity to point P.

A circuit has a current of 1340 mA and a voltage of 11 V. What is the power of 

the circuit? What is the resistance of the circuit?

A 36 ohm resistor and an 18 ohm resistor are connected in series across a 15V battery. What is the voltage across a) the 36 ohm resistor. b) the 18 ohm resistor?

A charge q1= 2.00 µC is located at the origin, and a charge q2 = -6.00 µC is located at (0, 3.00) m. (A) Find the total electric potential due to these charges at the point P, whose coordinates are (4.00, 0) m. (B) Find the change in potential energy of the system of two charges plus a charge q3= 3.00 µC as the latter charge moves from infinity to point P

A charge q1= 7.00 µC is located at the origin, and a second charge q2 = -5.00 µC is located on the x axis, 0.30 m from the origin. (A) Find the electric field at the point P, which has coordinates (0, 0.400) m. (B) If a charge q3 = -3.00 µC is placed at point P, what is the coulomb force experienced by this charge due to other charges q1 and q2. 

One of the digital integrated circuits that requires investigation is the binary inverter. Build the circuit in Multisim with Vpp = 5V and carry out the following tasks: 1. Obtain the voltage transfer characteristics. (DC sweep of the input from 0-5V) 2. The frequency response. (1kHz – 1GHz) 3. Simulate the circuit for 400ns with a square-wave input: o Amplitude: 5V o Period: 100ns o Rise time:10ns o Fall time: 10ns 4. Add capacitor of 0.1pF at output. Repeat the steps above. 5. Add capacitor of 0.5pF at output. Repeat the steps above. 6. Add capacitor of 1|5pF at output. Repeat the steps above. input output Figure 2 Digital Inverter