Answer:
Kailangan isa puso at isa isip na kailangan ang masinop na paggmiat ng pinagkukunan upang maiwasan ang kakulangan na magsasanhi ng disekwilibriyo. Nasa mamamayan ang kapangyarihan upang mapanatili ang maayos na ekwilibriyong presyo at dami sa pamilihan.
Explanation:
Answer:
Neither the same nor the opposite
Explanation:
<em>Two heads are better than one</em> is an idiom meaning that it's easier to solve a problem or come up with an idea with the help of another person than alone.
<em>Two is company, three is a crowd </em>is an idiom usually associated with a romantic context. It's used to say that a third person should leave when two people (e.g. lovers) want to be together on their own.
So, when we compare these explanations, we can't say that these two sentences mean the same, nor the opposite.
DC motors are usually seen in applications where the motor speed needs to be externally controlled. AC motors work best in applications where power performance is sought for extended periods of time. All DC motors are single phase, but AC motors can be single phase or three phase.
AC and DC motors use the same principle of using an armature winding and magnetic field except with DC motors, the armature rotates while the magnetic field doesn’t rotate. In AC motors the armature does not rotate and the magnetic field continuously rotates.
In some applications today, DC electric motors are replaced by combining an AC electric motor with an electronic speed controller, known as variable frequency drives. DC electric motors are replaced with an AC electric motor and an electronic speed controller because it is a more economical and less expensive solution.
DC electric motors have many moving parts that are expensive to replace, and DC electric motor repair is usually more expensive than using a new AC electric motor with an electronic controller.
In our experience, combining an AC motor and drive proves to be the most cost effective solution for mostapplications. When servicing our customers in the field, we often recommend looking at the SMVector Series Variable Frequency Drive in combination with a three phase AC motor.
The answer is 27 Trillion