Q: In the circuit shown in Fig. E26.25 find
In the circuit shown in Fig. E26.25 find Fig. E26.25: (a). the current in resistor R; (b). the resistance R; (c). the unknown emf E. (d). If the circuit is broken at point x, what is the curren...
See AnswerQ: The resistance of the coil of a pivotedcoil galvanometer is 9.
The resistance of the coil of a pivotedcoil galvanometer is 9.36 , and a current of 0.0224 A causes it to deflect full scale. We want to convert this galvanometer to an ammeter reading 20.0 A full sca...
See AnswerQ: A circuit consists of a series combination of 6.00-
A circuit consists of a series combination of 6.00-kΩ and 5.00-kΩ resistors connected across a 50.0-V battery having negligible internal resistance. You want to measure the true potential difference...
See AnswerQ: A closely wound, circular coil with radius 2.40 cm
A closely wound, circular coil with radius 2.40 cm has 800 turns. (a). What must the current in the coil be if the magnetic field at the center of the coil is 0.0770 T? (b). At what distance x from...
See AnswerQ: A galvanometer having a resistance of 25.0 Ω has
A galvanometer having a resistance of 25.0 Ω has a 1.00-Ω shunt resistance installed to convert it to an ammeter. It is then used to measure the current in a circuit consisting of a 15.0- Ω resis...
See AnswerQ: The resistance of a galvanometer coil is 25.0 Ω,
The resistance of a galvanometer coil is 25.0 Ω, and the current required for full-scale deflection is 500 µA. (a). Show in a diagram how to convert the galvanometer to an ammeter reading 20.0 mA ful...
See AnswerQ: A resistor consists of three identical metal strips connected as shown in
A resistor consists of three identical metal strips connected as shown in Fig. Q26.8. If one of the strips is cut out, does the ammeter reading increase, decrease, or stay the same? Why? Fig. Q26.8:...
See AnswerQ: In the circuit shown in Fig. E26.43 both capacitors
In the circuit shown in Fig. E26.43 both capacitors are initially charged to 45.0 V. Fig. E26.43: (a). How long after closing the switch S will the potential across each capacitor be reduced to 10...
See AnswerQ: A 12.4-µF capacitor is connected through a 0
A 12.4-µF capacitor is connected through a 0.895-M resistor to a constant potential difference of 60.0 V. (a). Compute the charge on the capacitor at the following times after the connections are mad...
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