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Mira la respuestaMira la respuesta done loading Muestra el texto de la transcripción de la imagenPregunta: 1. Using only two coils with resistance (connected in series, in parallel or separately), a student can obtain resistances of 3.0 2, 4.0 2, 122 and 16 What are the individual resistances of the coils? A coil is
1. Using only two coils with resistance (connected in series, in parallel or separately), a student can obtain resistances of 3.0 2, 4.0 2, 122 and 16
What are the individual resistances of the coils? A coil is loops of wire around a cardboard tube.
2. A car battery (12.0 V) has an initial charge Q (of 120 A.h). Assuming that the potential across the terminals remains constant until the battery is fully discharged, for how many hours can 100 W power be supplied?
3. In a simple series circuit, a current of 5.0 A flows. When a 2.0 2 resistor is added in series, the current drops to 4.0 A. What was the original resistance of the circuit?
4. A 0.10 2 resistor must generate thermal energy at a rate of 10 W when connected to a battery whose Fem is 1.5 V.
(a) What is the internal resistance of the Fem?
(b) What is the potential difference across the 0.10 2 resistor?
5. Determine the current through each of the resistors in the circuit, where Ri = 10.0 2, R: = 20.0 2 and R = 30 2. Let ɛ1 = 6.0 V and ɛ2 = 4.0 V, respectively. Prove the results with Kirchhoff's rules. Do not use the simulator.
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1)
The maximum resistance that can be obtained = 16 ohm
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