Answer:
SPST-2
Explanation:
The terms post and pull are also used to describe the contact variations of the switch. The number of "poles" is the number of electrically separated switches that are controlled by a single physical actuator.
For example,
The "SPST" switch is single-pole, single-throw, a simple on / off switch: the two terminals are connected or disconnected from each other.
The "SPDT" switch is single pole, double throw, a simple interrupt changeover switch before making: C (COM, Common) is connected to L1 (NC, normally closed) or L2 (NO, normally open).
"DPST" is bipolar, single shot, equivalent to two SPST switches controlled by one circuit.
"DPDT" is bipolar, double throw, equivalent to two SPDT switches controlled by two circuits.
"3PDT" is 3 pole, double throw, equivalent to 3 SP and DT switches controlled by two circuits.
Explanation:
The relation between pressure and area is as follows;
Here, P is the pressure, F is the applied force and A is the area.
There is an inverse relationship between the pressure and area.
If the area is less then the pressure is more. If the area is more then the pressure is less.
It is given in the problem that It is much easier to slice a piece of pie with the edge of a sharp knife than with the edge of a pencil. The area of the edge of a pencil is more than the area of the edge of the knife. Then, less pressure is applied in case of using the edge of the pencil.
More force is required to cut the slice of pie by using pencil.
Answer:
A. Both waves carry energy and refract is the correct answer.
Explanation:
Answer:
Explanation:
Energy is transferred from the sun to Earth via electromagnetic waves, or radiation. Most of the energy that passes through the upper atmosphere and reaches Earth's surface is in two forms, visible and infrared light. ... Once energy has been absorbed by the Earth system, it is transformed and transferred
Answer:
4
Explanation:
In order for the current to continue flowing through the circuit (and for the bulbs to continue shining), there must be a closed path containing the battery where current can flow. Let's see the effect of removing each bulb on the circuit:
- 1: when removing bulb 1 only, the current can still flow through the path battery-bulb 3- bulb 4
- 2: when removing bulb 2 only, the current can still flow through the path battery-bulb 3- bulb 4
- 3: when removing bulb 3 only, the current can still flow through the path battery-bulb 1-bulb 2- bulb 4
- 4: when removing bulb 4 only, the current can no longer flow. In fact, there is no closed path that contains the battery now, so the current will not flow and all the bulbs will stop shining.