A 12.0 pF capacitor is charged to a potential of 50.0 V and then discharged through a 175 Q resistor. How long does it take the capacitor to lose half of its charge? Select one: t= 1.46 ms t= 5.00 ms t=0.87 ms t= 4.36 ms None of these is correct
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- How much energy is present across the plates of capacitor #1 (C1)? Select one: a.103.68 micro Joules b.161.80 micro Joules c.69.12 micro Joules d.79.81 micro JoulesThree 100 resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 22.0 W. 100 N 100 N a 100 N (a) What is the maximum potential difference that can be applied to the terminals a and b? 70.4 V (b) For the voltage determined in part (a), what is the power delivered to each resistor? 25 resistor on the left The power delivered to each resistor is supposed to be less than the maximum value. w resistor at the top of the loop 5.5 W resistor at the bottom of the loop 5.5 W (c) What is the total power delivered to the combination of resistors? 36 The total power delivered to a combination of resistors will be the same if the set of resistors is replaced by a single resistor with a resistance equal to the equivalent resistance. WIn a heart pacemaker, a pulse is delivered to the heart 81 times per minute. The capacitor that controls this pulsing rate discharge. through a resistance of 1.7 x 10%. One pulse is delivered every time the fully charged capacitor loses 58.4% of its original charge. What is the capacitance of the capacitor? Number i Units
- A capacitor, initially at 21 V, is discharged using an 19 Ω resistor. After 155 s there are 4.2 V across the capacitor. What is the capacitance of the capacitor? (in F) a. 36.6 F b. 13.1 F c. 8.16 F d. 5.07 FYou have a 66.9 mF capacitor initially charged to a potential difference of 11.5 V. You discharge the capacitor through a 4.81 resistor. What is the time constant? time constant: After what multiple of the time constant does the potential difference reach 1.47 V? multiple of time constant:In the circuit, R= 30.0 kN and C = 0.100 µF. The capacitor is allowed to charge fully, and then the switch is changed from position a to position b. What will the voltage across the resistor be 8.40 ms later? R where X = 64.1 V.
- !! The circuit in the figure below has been connected for a long time. Let R, = 12 Q, R, = 9 N, and V = 16volts. 1.00 N R1 1.00 µF R2 2.00 N RC1 (a) Find the Charye on the capacitor. Q = HC (b) If the battery is disconnected from the circuit, what is the time constant when the capacitor discharges? T3D sr (c) Over what time interval does the capacitor discharge to 0.35 of its initial charge? Time =True or False. As the charge in the capacitor increases, the voltage AV_R across the resistor decreases. Please explain why this is true.A 16.0 µF Capacitor is charged to Qo. It is then connected in a simple loop circuit with a 265 Q resistor (and nothing else). How much time does it take for the capacitor to reach 25% of its initial charge? O 5.88 ms O 9.03 ms O 4.24 ms O 1.22 ms
- 48 V + #F 68 ΚΩ www Ic + 20 www. 0 0000 1 22 ΚΩ = 10 nF 12 V Assume the capacitor to be fully discharged before the switch closes to position 1 at t=0: D. Determine equations for Ic(t) and Vc(t) in position 1. After a long time (i.e. >5 T, capacitor fully charged) the switch is moved to position 2: E. Determine equations for Ic(t) and Vc(t) in position 2. F. Provide a sketch of Ic(t) and Vc(t) for both cycles. Please label accordingly. F VcA 2.5-F capacitor is charged to 12 V and then discharged through a 4.8 Ω resistor. What will be the current (in A) through the resistor after 20 seconds? ASAP PLSYou are given the below circuit to analyze and told that the circuit has been complete for a long time. What is the charge of capacitor C1? In the circuit, Rд=41 £2, RB=621 £2, Rc=110 £2, С₁=54 μF, C₂=22 μF, Vc3-6 V and V1=38.3 V. The charge on C₁ = V₁ ww RA w RB C1 C₂ C3 M Rc