A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ALTERNATING CURRENT AND ELECTROMAGNETIC WAVES-All Questions
- A transformer is used to light a 100 W and 110 V lamp from a 220V main...
Text Solution
|
- The primary and secondary coils of a transmformer have 50 and 1500 tur...
Text Solution
|
- What is the value of inductance L for which the current is a maximum i...
Text Solution
|
- A coil of inductive reactance 31 Omega has a resistance of 8 ohm. It i...
Text Solution
|
- The core of any transformaer is laminated so as to
Text Solution
|
- if lamda(v),lamda(x) and lamda(m) represent the wavelengths of visible...
Text Solution
|
- In a circuit L, C and R are connected in series with an alternating vo...
Text Solution
|
- Which of the following are not electromagnetic waves ?
Text Solution
|
- For a series L C R circuit, the power loss at resonance is
Text Solution
|
- Which of the following has minimum wavelenght?
Text Solution
|
- The velocity of electromagnetic wave is along the direction of
Text Solution
|
- What is the cause of "Green house effect"?
Text Solution
|
- In a certain region of space electric field E and magnetic field B are...
Text Solution
|
- The reactance of a capacitor of capacitance C is X. If both th frequen...
Text Solution
|
- A wire of reistance R is connected in series with an inductor of rea...
Text Solution
|
- In a circuit inductance L and capacitance C are connected as shown in...
Text Solution
|
- The electromagnetic radiations are caused by
Text Solution
|
- Ozone layer blocks the radiaitons of wave length
Text Solution
|
- A step up transformer operates on a 230 V line and a load current of 2...
Text Solution
|
- If epsilon0 and mu0 are respectively the electric permittivity and the...
Text Solution
|