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- Q.2 An Op Amp network is given in the figure below. Find out the output voltages V2 and V3. 200 KL V = 0-2 V 20012 10KRA series RC circuit, which is made from a battery, a switch, a resistor, and a 3.45- µF capacitor, has a time constant of 11.0 ms. If an additional 12.0- µF is added in series to the 3.45- µF capacitor, what is the resulting time constant? O a. 14.2 ms b. 38.3 ms c. 1.19 ms d. 8.54 ms O e. This cannot be found without the value of the resistance being given.The internal resistance of a high voltage power supply is 24 MΩ and the output is set so that the potential difference across the output when on open circuit is 4000 V? When a load resistor RL is connected across the supply the voltage across RL is 3000 V. What is the value of the load resistor? Select one: a. 18 MΩ b. 32 M c. 72 MΩ d. 40 MΩ
- A capacitor in RC circuit is charged to one half of its maximum charge in 69.5 s. the capacitive time is: Select one: O a. We can't find it because we don't know R and C O b. 0.01 s Oc. 139 s O d. 100 sthe voltage across a 3.71uf capacitor in a tv circuit is 4.54 mV. Find the voltage after 0.563ms if a current is given below (in uA) further changes the capacitor. i= (1+6t)^(1/3) The voltage at t = 0.563 ms is _________ mV. I have no clue on the steps to solve such a problem help would be greatly appreciatedThe internal resistance of a high voltage power supply is 4 MΩ and the output is set so that the potential difference across the output when on open circuit is 1800 V? A load resistor RL = 500 kΩ is connected across the supply. What is the current flowing in the load resistor? Select one: a. 3.6 mA b. 0.4 mA c. 450 μA d. 444 mA
- A 20.0 Ω resistor, R1, with a maximum power rating of 5.0 W is to be connected in series to another resistor, R2 in a circuit with a 24-V battery. 1. What is the total resistance of the series circuit? 2. What is the maximum allowable current in the resistor, R1? 3. What is the resistance of the second resistor, R2?a 1.0 MQ resistor was connected in series with a capacitor. The voltage across the capacitor was measured every five seconds as the capacitor is charging. The data gathered was plotted as shown below. 3.00 2.50 2.00 1.50 1.00 0.50 0.00 0 50 time (s) 100 150 What happened to the current in the circuit during the charging process? A. It increased linearly. B. It increased nonlinearly. C. It decreased linearly. D. It decreased nonlinearly. E. It did not change. Voltage (V)A cook plugs a 400 W crockpot and a 1000 W kettle into a 240 V power supply, all operating on directc When we compare the two, we find that Select one: a. I crockpot > I kettle and Rcrockpot = R kettle. b. I Crockpot = I Kettle and R Crockpot = R %3D %3D Kettle. c. I crockpot R kettle. d. I Crockpot > I Kettle and R Crockpot < R kettle.
- A 10 V battery is wired in series with an uncharged capacitor, a resistor, and a switch to make an RC circuit. At t = 0 s the switch is closed. Shown is the current through the resistor.a. What is the value of the resistor?b. What is the value of the capacitor?A capacitor with capacitance C = 2.5 μF is charged to a voltage V = 5V. It is then discharged through a resistor R = 100Ω. What is the initial discharge current through the resistor? Select one: a. 12.5 μA b. 50 μA c. 20 A d. 50 mAIn the circuit diagram R1 = 5R and R2 = 15R, where R = 24 Ω. The power dissipated in resistor 2 is P = 3.7 W. A.What is the voltage across the battery in volts? b. How much power, Ps, is the source supplying, in watts?