Question is ⇒ In a microwave resistor the wall thickness is made as small as possible to, Options are ⇒ (A) have high value of R, (B) have low value of R, (C) minimize capacitive effect, (D) reduce inductance, (E) , Leave your comments or Download question paper.

Question is ⇒ In a microwave resistor the wall thickness is made as small as possible to, Options are ⇒ (A) have high value of R, (B) have low value of R, (C) minimize capacitive effect, (D) reduce inductance, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a microwave resistor the wall thickness is made as small as possible to
A.	have high value of R [Wrong Answer]
B.	have low value of R [Wrong Answer]
C.	minimize capacitive effect [Correct Answer]
D.	reduce inductance [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Which of the following theorems is a manifestation of law of conservation of energy?
Tellegen's theorem
Reciprocity theorem
Thevenin's theorem
Norton's theorem

⇒

Assertion (A): CO₂ has no resultant dipole moment but CO has a dipole moment.

Reason (R): The structure of CO₂ is O = C = O.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true

⇒ The minimum number of 2 input NAND gates required to implement Boolean function A B C is A, B, C are available is
2
3
5
6

⇒ Binary 1111 when added to binary 11111, the result in binary is
111111
1111
1000
10000

⇒ The electrical energy required to heat a bucket of water to a certain temperature is 2 kWh. If heat losses, are 25%, the energy input is
2.67 kWh
3 kWh
2.5 kWh
3.5 kWh

⇒ Which of the following devices is a 'hot-electron' diode?
Thermionic tube diode
Schottky-Barrier diode
Thomson-Deletion diode
Thermal electron diode

⇒ Which of the following can be used for measuring capacitance?
De sauty bridge
Maxwell's bridge
Anderson bridge
Hay's bridge

⇒ Sometimes the rotating devices in a room having fluorescent lamps appear to be any station. This is due to
defect in the lamp
low voltage
high voltage
stroboscopic effect

⇒

Match the following:

	List I (Diode Rectifier)		List II (Efficiency is R_f/R_L = 0.25)
A.	Half wave	1.	0.54
B.	Bridge Rectifier	2.	0.65
C.	Full wave using tapped centre transformer	3.	0.325

A-1, B-2, C-3
A-2, B-1, C-3
A-3, B-2, C-1
A-3, B-1, C-2

⇒ The input resistance of FET in the low frequency small signal operation is
infinitely high
around 1 kΩ
around 50 Ω
very small

⇒ VSWR can have any value between
0 and 1
- 1 to + 1
0 to ∞
1 to ∞

⇒ The function off an oxide layer in an IC device is to

mask against diffusion or ion implantation
insulate the surface electrically
increase the melting point of Si
produce a chemically stable protective layer

1, 2, 3
1, 3, 4
2, 3, 4
4, 1, 2

⇒ In a power system, reactive power is necessary for
power transmission
stabilising the voltage level
counteracting the effect of reactance in the transmission system
none of the above

⇒ A transistor has two p-n junctions. The batteries should be connected such that
both junctions are forward biased
both junctions are reverse biased
one junction is forward biased and the other is reverse biased
none of the above

⇒ Consider the following program for 8085OACH
53 H
OADH
54 H

⇒ The properties of FETs resemble closely to
UJT
current transformer
thyristor
thermionic valves

⇒ A circuit is fed by two sources of the same frequency and values 100 ∠0° V and 20 ∠30°V. The current in a particular branch is 5 ∠19° A. If the magnitudes of the sources and changed to 200 ∠0° V and 40 ∠30° V, the current in that branch should be
5 ∠19° A
10 ∠19° A
10 ∠38° A
10 ∠9.5° A

⇒ L/C has the dimension of
time
capacitance
inductance
resistance

⇒ A meter having 0-1000 μA range and 1000 Ω resistance is required to be changed to 0-100 mA meter. The value of shunt resistance is about
1 Ω
10 Ω
99 Ω
100 Ω

⇒ Photo electric emission can occur only if
wave length of incident radiation is equal to threshold value
wave length of incident radiation is less than threshold value
frequency of incident radiation is less than threshold frequency
none of the above

⇒ By connecting external resistances to a differential amplifier we can adjust
voltage gain
bandwidth
both voltage gain and bandwidth
none of the above

⇒ The mean free path of conduction electrons in copper is about 4 x 10^-8 m. For a copper block, find the electric field which can give, on an average, 1 eV energy to a conduction electron
2.62 x 10⁷ V/m
2.64 x 10⁷ V/m
2.5 x 10⁷ V/m
2.58 x 10⁷ V/m

⇒ A n-port network is said to be active if power in the ckt is __________ .
P > 0
P < 0
P = 0
P = ∞

⇒ A system has 12 poles and 2 zeros. Its high frequency asymptote in its magnitude plot has a slope of
-200 dB/decade
-240 dB/decade
-280 dB/decade
-320 dB/decade

⇒ In 8085 microprocessor based system running at 3 MHz clock frequency what should be the minimum pulse width of the INTR signal, so that it is recognized successfully?
0.33 μs
0.666 μs
5.8 μs
none of these

⇒ Entropy gives
measure of Uncertainty
rate of Information
average information
probability of Information

⇒ In a dual converter both converters work as rectifiers.
TRUE
FALSE

⇒ In integral cycle control of ac regulators, the period of integral cycle control, i.e., (m + n) T should be
less than mechanical or thermal time constant of the system
more than the mechanical or thermal time constant of the system
more or less than the mechanical or thermal time constant
very high

⇒ The directive gain of a transmitting antenna is proportional to
its cross-sectional area
square of cross-sectional area
square root of cross-sectional area
cube root of cross-sectional area

⇒ Which multivibrator can be used as a clock timer?
Astable multivibrator
Bistable multivibrator
Any of the above
None of the above