While understanding the meaning of physical quantities is important, it is also

Question

While understanding the meaning of physical quantities is important, it is also important to recognize how they are actually measured in practice.Consider the a source of voltage (or emf source), a resistor, an ideal voltmeter and an ideal ammeter following cirout diagram that includes 2 3 If you want to measure the current through and the voltage across the resistor, then the circles marked 1, 2 and 3, shown in the diagram, must represent, respectively Select all correct answers from the choices provided View Available Hints) ? ? ? 1-ammeter, 2-esistor, 3wottmeter 1-am meter, 2 voltmeter, 3sresistor 1-resistor, 2evoltmeter, 3.ammeter 1-resistor, 2namneter, 3 voltmeter 1"voltmeter, 2tresistor, 3am meter 1svoltmeter, 2amneter, 3resistor None of these combinations is appropriate ? ?

Explanation / Answer

ANSWER: first one answer is

1 = Ammeter ; 2 = Resistor ; 3 = Voltmeter

1 = Resistor ; 2 = Ammeter ; 3 = Voltmater

Note : Ammeter is always connected in series and Voltmeter is always connected in parallel

Part- C Answer is

power ( P ) = V I

= I2 R

= V2 / R

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