3.0x10rim A current of 1.2 A flows from A to B. Find the magnitude of the equiva

Question

3.0x10rim A current of 1.2 A flows from A to B. Find the magnitude of the equivalent resistance and potential difference between points A and B. 2. 20 3. If the electric field at point A is zero. What is charge 01? -20 cm 20 cm 18 uC Q. An uncharged capacitor and a resistor are connected in series to a source ofenf. Ife nn f= 12.00 V, C-20.0 F, and R-200 , find the following: a the time constant of the circuit b. the maximum charge on the capacitor c the charge on the capacitor after two time constant 4,

Explanation / Answer

here,

3)

6 ohm and 6 ohm are in parallel, their equivalent resistance , R1= 6 /2 ohm = 3 ohm

4 ohm , 5 ohm and 20 ohm are in parallel , let their equiavlent resistance be R2

1/R2 = 1/4 + 1/5 + 1/20

solving for R2

R2 = 2 ohm

the equivalent resistance between A and B is Req = R1 + R2 = 5 ohm

the potential difference between A and B , V = I * R

V = 1.2 * 5 = 6 V

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