MCQ
6981. The resistivity depends upon-
area
material
length
All of these
6982. Resistance of a conductor of diameter and length L is R ohm. It the diameter of the conductor is halved and its length is doubled the resistance will be-.
2R ohm
4R ohm
8R ohm
3R ohm
6983. Energy consumption of a 100-watt bulb for ten hours is
1000kWh
1 unit
100kWh
1kW
6984. What a battery is?
Current source
Power source
Voltage sourcs
None
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: A battery is a device that stores electric power in the form of chemical energy. When necessary the energy a again released as electric power for DC consumers such as lighting and starter motors.
6985. The unit of resistivity is-
Ohms
Ohm/Sqm
Ohm-m
None
6986. What type of material is Silicon (Si)?
Conductor
Semiconductor
Insulator
Good conductor
6987. Which of the following quantites consist of unit as WATT?
force
charge
current
power
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: The St unit of power is the watt and it is discover by the Scottish Engineer James Watt. Power is the rate of consumption of electric energy. So, it is equivalent joules per second.
6988. An electric heater is marked 2000W, 200V; the resistance of the coil is--Ω
0.1
20
1/20
200
6989. Semiconductor-এর temperature coefficient of resistance--
Negative
Zero
Positive
কোনোটিই নয়
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: Semiconductor-এর temperature coefficient of resistance Negative
6990. What is the resistance-power of an electric iron with 220V and 1100 watt?
11 Ω
33 Ω
22 Ω
44 Ω
6991. The resistivity of the conductor depends on-
area of the conductor
length of the conductor
type of material
none
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: Resistivity depends upon nature of material and physical conditions.
6992. 1 coulomb is equal to?
6.24 x 10^18 electron-charge
6.28 x 10^16 electron charge
682 x 10^18 electron charge
6.82 x 10^-18 electron change
6993. What type of material rubber is?
Conductor
Insulator
Semiconductor
Good conductor
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: An insulator is a material that does not conduc electrical current. Insulating materials include-paper plastic, rubber, glass and air.
6994. How many 60-watt bulbs will be safe for a home with main meter of 6 amp and 220 volts?
6
10
11
22
6995. What voltage drop will be there across a 1kW flood light whose resistance when hot is 40 Ω ?
100V
50V
150V
200V
6996. Which one is a semiconductor material?
Phosphorous
Silicon
Rubber
Aluminium
6997. Which quantity consists of a unit 1 kWh?
energy
power
time
charge
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: 1 kWh is the amount of energy used by a 1 kW (1000 watt) resistance for 1 hour. Energy = Power x Time
6998. Unit of magnetic flux density-
tesla
lux
weber
henry
Himalay Sen Sir
ইলেক্ট্রিক্যাল ডিপার্টমেন্ট Mcq
বেসিক ইলেক্ট্রিসিটি all mcq
EEE MCQ
besic electricity mcq
Electrical Department all question
ব্যাখ্যা: ব্যাখ্যা: Magnetic Flux density has the dimension mas per time squared electric current. The St derived unit of magnetic flux density is the tesla.
6999. Resistance depends on:
Cross section
Length
Material
All
7000. Unit of electrical energy is:
Newton-meter
Watt-sec
Watt
BTU