The figure below shows a capacitor, with capacitance C= 8.22 µF, and a resistor, with resistance R = 5.98 M2, connected in series to a battery, with = 25.5 V. The circuit has a switch, which is initially open. for 26 R (a) What is the circuit's time constant (in seconds)? p). What is the maximum charge (in uc) on the capacitor after the switch is closed? HA What is the current (in µA) through the resistor 10.0 after the switch is dosed?
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- In the figure the ideal batteries have emfs E1 = 4,89 V and E2 = 10.2 V, the resistances are each 2.41 Q, and the potential is defined to be zero at the grounded point of the circuit. What are potentials (a)V1 and (b)V2 at the indicated points? R. R3 Units (a) Number Units (b) NumberYou charge an initially uncharged 72.9 mF capacitor through a 27.9 2 resistor by means of a 9.00 V battery having negligible internal resistance. Find the time constant t of the circuit. T = S What is the charge Q on the capacitor 1.71 time constants after the circuit is closed? Q = C What is the charge Qo after a long amount of time has passed? CE2 R1 R2 2. Find the charge on the capacitor after the switch has been left open for some time, then closed for some period of time. We can assume that C = 2 µF, with batteries of values E1 R2 = 0.25 N. 2V and E2 =1V, and resistor values R1 = 0.5 N and S
- In a heart pacemaker, a pulse is delivered to the heart 84 times per minute. The capacitor that controls this pulsing rate discharges through a resistance of 3.9 ✕ 106 Ω. One pulse is delivered every time the fully charged capacitor loses 63.2% of its original charge. What is the capacitance of the capacitor? FThe drawing shows three different resistors in two different circuits. The battery has voltage of V = 26V, and the resistors have resistances of R one = 50.0, 2 = 25.0 and 3 = 10.0 determine the current through the voltage across each resistor. For circuit you’ll have six parts to the answer: l1,l2,l3, V1, V2, V3. For circut B you will have 6 parts to the answer: l1, l2, l3, V1, V2, V3. 3. From the figure above, a switch is closed at time t = 0, allowing the capacitor to begin charging. The capacitance of the capacitor is given a value of C = 10 µF with a resistor of resistance R= 10 2. At what time is the potential across the capacitor equal to the potential across the resistor?
- A charged capacitor is connected to a resistor and a switch as in the figure below. The circuit has a time constant of 2.45 s. Soon after the switch is closed, the charge on the capacitor is 50.0% of its initial charge. + Q те R (a) Find the time interval required for the capacitor to reach this charge. S (b) If R = 230 k, what is the value of C? C = μF3. A 3 μF capacitor initially has a voltage of 1.5 V when it is discharged through a resistance R. The voltage 3 ms after it has started to discharge is 0.25 Volts. Determine the time constant Tc. a. b. Determine the resistance R.The drawing shows three different resistors in two different circuits. The battery has a voltage of V = 28 V, and the resistors have resistances of R₁-50.00, R₂-25.002 and R3-10.00. Determine the current through and the voltage across each resistor. R₁ (a) ½₁ = i 12-i √3 = i V₁ = i V2= i V3-i R₁ R₂ R3 R₂ R3 (b) (a)