Answer: it would be A
Explanation: how are we to measure the air of a square mile
<u>Out of all given choices, the following statements are true:</u>
- An ammeter is used to measure current.
- A voltmeter is used to measure voltage.
- A voltmeter must be placed in parallel with a resistor to measure the voltage across the resistor.
Options A, E, and F
<u>Explanation:</u>
An instrument by which the current in a circuit is measured is called ammeter whereas an instrument in which voltage is measured in a circuit is called a voltmeter . The ammeter is placed in series with the resistor while the voltmeter is placed in parallel with the resistor.
For the option B, since the ammeter must be placed in series with the resistor to measure current, it is false. Option C is false because an ammeter has zero internal resistance. Option D is also false because a voltmeter has a high internal resistance and is actually infinite.
<span>Quantitative. I hopes this helps you some!</span>
Answer: D. It is independent of any change in angle of incidence or angle of refraction.
the initial condition is given as -
=33,000 pa
=8.0 litre i.e 8×
=300k
final state is given as-
i.e16
=300k[the temperature is constant here]
here the temperature is constant.we have to calculate the final pressure
as per the Boyle's law,
=
=16500 pa [ans]
