Thunderclouds are charged by friction between
Q. Thunderclouds are charged by friction between clouds and air layers of clouds water molecules and air layers of air Answer: water molecules and air
Wrestler, Antim Panghal wins gold in wrestling in 2022
Wrestler, Antim Panghal wins gold in wrestling in 2022 National Games: U-20 World wrestling champion, Antim Panghal has secured her gold medal in women’s 53kg wrestling at the National Games 2022. She has defeated Priyanshi Prajapati of Madhya Pradesh to clinch the title. She hails from Haryana. While, Hina Khalifa (Gujarat) and Swati Sanjay (Maharashtra) won the bronze medals in the women’s 53kg. Olympian gymnast, Pranati Nayak
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If mica sheet is placed between the plates of a capacitor the capacity
Q. If mica sheet is placed between the plates of a capacitor the capacity increases decreases increases then decreases decreases then increases Answer: increases
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Work done in moving a point charge from one point to another point of equipotential surface is
Q. Work done in moving a point charge from one point to another point of equipotential surface is W = 1V W = Fr zero W = 1/4V Answer: zero
Electric charge of 100 ?C is 13cm apart from another charge 16.9?C electric force between them is
Q. Electric charge of 100 ?C is 13cm apart from another charge 16.9?C electric force between them is 9x107N 900N 9x105N 9x106N Answer: 900N
When we rub a glass rod with a silk cloth then
Q. When we rub a glass rod with a silk cloth then glass rod acquires negative charge while silk acquires positive charge glass rod acquires positive charge while silk acquires negative charges both glass rod and silk acquire negative charge both glass rod and silk acquire positive charge Answer: glass rod acquires positive charge while
A capacitor holds 0.03 C of charge when fully charged by a 6V battery. To hold 2C of charge, voltage required would be
Q. A capacitor holds 0.03 C of charge when fully charged by a 6V battery. To hold 2C of charge, voltage required would be 150V 100V 300V 400V Answer: 400V
Charge on capacitor plates is directly proportional to
Q. Charge on capacitor plates is directly proportional to current electric field intensity potential difference resistance Answer: potential difference
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If medium between two charges is air, then value of constant k in SI units will be
Q. If medium between two charges is air, then value of constant k in SI units will be 5 × 109 Nm²C-2 7 × 109 Nm²C-2 8 × 109 Nm²C-2 9 × 109 Nm²C-2 Answer: 9 × 109 Nm²C-2
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Property of material due to which it attracts or repels other objects is
Q. Property of material due to which it attracts or repels other objects is friction velocity current charge Answer: charge
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