What is the value of the unknown R if the voltage across the 500Ω resistances is 4 V?

Q: A heart pacemaker fires 69 times a minute, each time a 25.0 nF capacitor is charged (by a battery in…

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Q: 42       For the circuit on the Figure below: a. What is the equivalent capacitance? b. How much…

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Q: The voltage across the plates of a capacitor at any time t seconds is given by V(t) = Ve¯RC where V,…

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Q: Of the circuit below, C1 = 9 nF, C2 = 7 nF, C3 = 9 nF,  and V = 7 V. What is the equivalent…

A: Given data:  C1 = 9 nF C2 = 7 nF and C3 = 9 nF Battery voltage (V) = 7 V Required: The equivalent…

Q: 3.0 µF, and R = 2.0 . At sometime after the switch is closed, the voltage across the V. What is the…

A: Voltage by battery,                          Capacitance,                           Resistance,…

Q: Two capacitors of capacitance C₁ = 500 nF and C₂ = 1.5 µF are connected in parallel across a cell…

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Q: A certain capacitor, in series with a resistor, is being charged. At the end of 10 ms its charge is…

A: The time constant of a resistor-capacitor series circuit (RC circuit), often denoted by τ, is equal…

Q: Two resistors of 36Ω and 55Ω are connected in series. If the voltage drop across the 36-Ω resistor…

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