the transformer is used to change ---------------the voltage of levels?
- alternative current
- direct current
- circuit
- none
Explanation
- Transformers are used to change AC voltage levels,
- ***
- AC stands for 'alternating current' which means the current constantly changes direction.
- ***
- concept about transformer:
- A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing (stepping down) the voltage
Related MCQs
فائیکولوجی کس چیز کے مطالعے کو کہتے ہیں؟
- Algae
- Bacteria
- Fungi
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
ہیموگلوبن کا بنیادی جزو کونسا ہے؟
- Calcium
- Iron
- Chlorine
- Copper
اس سوال کو وضاحت کے ساتھ پڑھیں
سیسموگراف کس مقصد کے لیے استعمال کیا جاتا ہے؟
- For predicting earthquake
- For recording earthquake
- For measuring intensity of earthquake
- For locating epicenter of earthquake
اس سوال کو وضاحت کے ساتھ پڑھیں
اپیاری سے کیا مراد ہے؟
- Place where butterflies are kept
- Place for breeding silkworms
- Place where bees are kept
- Place where dogs are kept
اس سوال کو وضاحت کے ساتھ پڑھیں
اسوہیت سے کیا مراد ہے؟
- A line joining places of equal temperature
- A line joining places of equal atmospheric pressure
- A line joining places of equal rainfall
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
