1. linear, sloping downward (option A)
2. by adding vectors (option C)
6 V drop occurs across the 6 ohm resistor in the parallel circuit diagram. The correct answer is C.
Since this parallel combination is connected with a cell, the potential difference through each resistor will be 6 volts. Now using I=V/R,
Current through 3 ohm resistor = 6/3 = 2 V
Current through 6 ohm resistor = 6/6 = 1 V
And the total current will be the sum of individual current in each resistor using Kirchoff’s junction law, Total current = 3 ampere
Since it is parallel combination the current passing across two resistors can differ but the voltage drop will remain the same.
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For any wave situation,
Frequency = (wavespeed) / (wavelength) .
Frequency of the whistle = (340 meters per second) / (1.7meters) =
200 per second = <em>200 Hz</em> .
(1 Hz = 1 per second)
The correct answer is - continental tropical air mass.
If an air mass forms over a land mass, than that air mass is of continental type. Depending on the location of the area where the air masses are forming, they can be cold or warm. In this case, we have an area that is warm, part of which is near the tropics, part bordering with them, thus we will have the formation of a continental tropical air mass.
This type of air masses is characterized by being hot and dry. That results in hot weather, usually with a period of drought, thus very dry. This type of air masses often cause lot of damage to the crops, but also can affect the human health, especially the elderly people.