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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
جیو اسٹیشنری مصنوعی سیارہ زمین کے ساتھ ہم آہنگی رکھتے ہیں اور ______ میں ایک مدار کو مکمل کرتے ہیں؟
Two days
One day
Three days
Six days
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
A geostationary satellite orbits the Earth once every 24 hours , matching the Earth's rotation.
This keeps it fixed over the same spot on the equator , making it ideal for communication and weather monitoring.
ممکنہ فرق کی پیمائش کے لئے استعمال ہونے والا ایک آلہ ______ کہلاتا ہے؟
Galvanometer
Ammeter
Voltmeter
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
A voltmeter is used to measure the potential difference (voltage) across two points in a circuit.
It is connected in parallel with the component whose voltage is being measured.
الیکٹرک پاور کا ایس آئی یونٹ کیا ہے؟
Watt
Joules
Volts
Ampere
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Electric power : Rate of energy transfer.
It is measured in watts (W) , or one joule per second.
Energy/Work : Measured in joules (J).
Charge: Measured in coulombs (C).
Pressure: Measured in pascals (Pa).
Electric current : Measured in amperes (A).
Electric resistance : Measured in ohms (Ω).
Temperature: Measured in kelvin (K).
Torque : Measured in newton metres (N m).
Velocity: Measured in meters per second (m/s).
Acceleration : Measured in meters per second squared (m/s²).
Anger
Happy
Joyous
None of these
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Explanation
Exasperate means تیز تر
Anger means غصہ
آبشار کی وجہ سے بننے والی توانائی کونسی ہے؟
Potential energy
Kinetic energy
Both A and B
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
At the top of the waterfall, energy is stored in the form of gravitational potential energy
but when it falls , it gets converted from potential to kinetic energy
Potential energy due to the object's height above the Earth is converted to kinetic energy as it falls
ND13-5-2023
قدرتی ربڑکس سے حاصل کیا جاتا ہے؟
Animal Waste
A special kind of tree
A kind of fish
Water weeds
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Natural rubber is made by extracting a liquid sap, called latex.
Latex is gathered from the trees by making a cut in the bark and collecting the runny sap in cups. This process is called tapping.
Largest Country produced Natural rubber
1
Thailand
2
Indonesia
3
Vietnam
4
India
ہر عمل کا ہمیشہ ایک مساوی اور مخالف ردعمل ہوتا ہے۔ یہ ____ کا بیان ہے؟
Newton first law of motion
Newtons second law of motion
Newton’s Third Law of Motion
None of these
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Explanation
Isaac Newton belongs to UK
He discovered the laws of gravity and three laws of motion and invented calculus
الیکٹرک جنریٹر ایک ایسا آلہ ہے جو بدلتا ہے۔
Mechanical energy int chemical energy
Thermal energy into electrical
Chemical energy into electrical
Heat energy into electrical
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Explanation
A generator is a device that converts mechanical energy to electrical energy for use in an external circuit. A generator works on the principle of electromagnetic induction.
The motion of a conductor in a magnetic field is used to generate electricity.
ND25-7-2023
18
20
28
30
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Explanation
This is an arithmetic sequence since there is a common difference between each term . In this case, adding 4 4 4 term in the sequence gives the next term . In other words, a n = a 1 + d ( n - 1 ) a n = a 1 + d ( n − 1 ) � � = � 1 + � ( � - 1 )
Arithmetic Sequence : d = 4 d = 4 � = 4
This is the formula of an arithmetic sequence .
a n = a 1 + d ( n - 1 ) a n = a 1 + d ( n − 1 ) � � = � 1 + � ( � - 1 )
Substitute in the values of a 1 = 6 a 1 = 6 � 1 = 6 d = 4 d = 4 � = 4
a n = 6 + 4 ( n - 1 ) a n = 6 + 4 ( n − 1 ) � � = 6 + 4 ( � - 1 )
a n = 6 + 4 n - 4 a n = 6 + 4 n − 4 � � = 6 + 4 � - 4
Subtract 4 4 4 6 6 6
a n = 4 n + 2 a n = 4 n + 2
77
88
89
78
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
3 × 4 = 3 × 4 + 2 = 14 5 × 6 = 5 × 6 + 3 = 33 7 × 8 = 7 × 8 + 4 = 60 8 × 9 = 8 × 9 + 5 = 77
