Find the maximum current that a fully charged D-cell can supply-if only briefly-such that its terminal voltage is at least 1.10 V. Assume an emf of 1.7o V and an internal resistance of 0.100 Q. 0.68 A
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- (a) Given a48.0-V battery and 24.0-O and 96.0-O resistors, find the current and power for each when connected in series, (b) Repeat when the resistances are in parallel.What current passing through a 28 Ω resistor will produce a voltage of 95 V cross it? (Express your answer in A).A 403 Ω resistor, an uncharged 102 μF capacitor, and a 4.01V emf are connected in series. The capacitor is initially uncharged. What is the current, in amperes, after one time constant has elapsed?
- (I) A 650Ω and an 1800Ω resistor are connected in serieswith a 12-V battery. What is the voltage across the 1800Ωresistor?(LEGIBLY PLS) In the given circuit, find (a) the current through the 8.0ohm resistor and (b) the total rate ofdissipation of electrical energy in the 8-ohm resistor and in the internal resistance of the batteries. (c) What is the rate of production of electrical energy and (d) the rate of consumption of electrical energy?consider a portable electric blanket that runs on a 4,5 V battery. ıf you use copper wire with a 0,75 mm diameteras the heating element, how long should the wire be (in units of meters) if you want to generate 20 W of heating power ?(take the resistivity of the copper wire as p = 1,7 * 10-8 ohm*m)
- 4.) A battery has an EMF of 24.0 V and an internal resistance of ‘r’. Its terminals are connected to a load resistance of 5.25 ohms. a. Find r and current in the circuit if the terminal volatge of the battery is 22.5 V. b. Calculate the power delivered to the load resistor, the power delivered to the internal resistance, and the power delivered by the battery.Your cellphone typically consumes 400mW of power while used t text. If the phone is operated using a battery with voltage of 3.6 V, what is the current flowing through the cell phone circuitry under these circumstances?A 300 ohms resistor and a 570 ohms resistor are in series. When this combination is connected across a 12- Volt battery, how do you determine the current is in mA?
- Find the total resistance for the three resistors belowANSWER AS SOON AS POSSIBLE The nichrome unit (p = 660 ohm-CM per ft) in a toaster has a resistance of 24 ohm. What is the resistance of a copper conductor of equal cross section but 10 times longer as the nichrome unit?Assume you have a battery of emf ε and three identical lightbulbs, each having constant resistance R . What is the total power delivered by the battery if the bulbs are connected in series?