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
- The decreasing order of wavelength of infrared, microwave, ultraviolet...
Text Solution
|
- Which of the following statement is false for the properties of electr...
Text Solution
|
- In the given circuit, Fig., the reading of voltmeter V(1) and V(2) 300...
Text Solution
|
- A 220 V input is supplied to a transformer. The output circuit draws a...
Text Solution
|
- Power dissipated in an L-C-R series circuit connected to an AC source ...
Text Solution
|
- The electric field part of an electromagnetic wave in a medium is repr...
Text Solution
|
- In any AC circuit the emf (e) and the current (i) at any instant are g...
Text Solution
|
- The velocity of electromagnetic radiatior in a medium of permittivity ...
Text Solution
|
- 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
|