Welcome to the Kilowatt-Hours MDCAT MCQs with Answers. In this post, we have shared Kilowatt-Hours Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Physics offers a chance to enhance your knowledge regarding Kilowatt-Hours MCQs in this MDCAT Online Test.
Kilowatt-Hours MDCAT MCQs Test Preparations
1kilowatt-hour is equivalent to:
a) 1,000 watts
b) 1,000 joules
c) 1,000 watt-hours
d) 1,000 kilowatts
If a device uses 2 kilowatts of power for 3 hours, the total energy consumed is:
a) 6 kilowatt-hours
b) 5 kilowatt-hours
c) 8 kilowatt-hours
d) 3 kilowatt-hours
The energy consumption of an appliance rated at 5 kW over 4 hours is:
a) 20 kWh
b) 15 kWh
c) 25 kWh
d) 10 kWh
If an appliance consumes 10 kilowatt-hours per day, it uses how many kilowatt-hours in a week?
a) 70 kWh
b) 60 kWh
c) 50 kWh
d) 80 kWh
A refrigerator that consumes 0.5 kWh per hour will use how many kWh in 24 hours?
a) 12 kWh
b) 24 kWh
c) 10 kWh
d) 8 kWh
The cost of operating a 1.5 kW heater for 10 hours at a rate of $0.15 per kWh is:
a) $2.25
b) $1.50
c) $1.00
d) $3.00
A light bulb rated at 60 watts used for 100 hours consumes how many kWh?
a) 6 kWh
b) 60 kWh
c) 600 kWh
d) 0.6 kWh
If an air conditioner uses 1.2 kWh per hour, how much energy will it use in 8 hours?
a) 9.6 kWh
b) 8.0 kWh
c) 10.0 kWh
d) 12.0 kWh
A washing machine that uses 1.5 kWh per load and operates 5 times a week will use how many kWh per week?
a) 7.5 kWh
b) 10.5 kWh
c) 12.5 kWh
d) 15.0 kWh
The total energy consumed by a 3 kW device running for 2.5 hours is:
a) 7.5 kWh
b) 6 kWh
c) 5 kWh
d) 8 kWh
If a heater runs for 2 hours at a power rating of 1.2 kW, the energy consumed is:
a) 2.4 kWh
b) 1.2 kWh
c) 3.6 kWh
d) 1.0 kWh
To calculate energy consumption in kilowatt-hours, you multiply:
a) Power (in watts) × Time (in hours)
b) Power (in kilowatts) × Time (in hours)
c) Voltage (in volts) × Current (in amps)
d) Voltage (in volts) × Time (in hours)
If a device uses 0.2 kWh per hour, how many hours can it run on 5 kWh of energy?
a) 25 hours
b) 20 hours
c) 10 hours
d) 15 hours
A 500-watt appliance running for 8 hours consumes:
a) 4 kWh
b) 5 kWh
c) 6 kWh
d) 3 kWh
The energy consumption of a 2 kW heater running for 3 hours is:
a) 6 kWh
b) 9 kWh
c) 5 kWh
d) 7 kWh
If you have a 1500-watt appliance and it operates for 2.5 hours, it will use:
a) 3.75 kWh
b) 2.5 kWh
c) 4 kWh
d) 5 kWh
The total cost to run a 2.5 kW device for 4 hours at a rate of $0.20 per kWh is:
a) $2.00
b) $3.00
c) $5.00
d) $10.00
An appliance that uses 3 kWh per day will consume how many kWh in a month (30 days)?
a) 90 kWh
b) 60 kWh
c) 100 kWh
d) 80 kWh
If a device uses 0.75 kWh per hour, how many kWh does it use in 12 hours?
a) 9 kWh
b) 8 kWh
c) 6 kWh
d) 12 kWh
A 1.5 kW appliance operating for 10 hours will use:
a) 15 kWh
b) 10 kWh
c) 12 kWh
d) 20 kWh
The energy consumption of a 200-watt bulb running for 50 hours is:
a) 10 kWh
b) 1 kWh
c) 5 kWh
d) 0.2 kWh
A 4 kW oven used for 2 hours consumes:
a) 6 kWh
b) 8 kWh
c) 4 kWh
d) 2 kWh
If an appliance uses 500 watts for 24 hours, the total energy consumption is:
a) 12 kWh
b) 10 kWh
c) 20 kWh
d) 6 kWh
A device that uses 1 kWh per day will use how many kWh in a year?
a) 365 kWh
b) 30 kWh
c) 24 kWh
d) 12 kWh
A 1 kW appliance operating for 6 hours will consume:
a) 6 kWh
b) 12 kWh
c) 4 kWh
d) 8 kWh
If a heater consumes 0.8 kWh per hour and operates for 5 hours, the total energy used is:
a) 4 kWh
b) 3.5 kWh
c) 5 kWh
d) 2 kWh
The energy consumed by a 3 kW device running for 1.5 hours is:
a) 4.5 kWh
b) 3.0 kWh
c) 5.0 kWh
d) 6.0 kWh
A 2 kW heater running for 3 hours will use:
a) 6 kWh
b) 4 kWh
c) 3 kWh
d) 2 kWh
The cost of running a 1 kW device for 8 hours at a rate of $0.10 per kWh is:
a) $0.80
b) $1.00
c) $1.50
d) $2.00
A 500-watt appliance that runs for 10 hours consumes:
a) 5 kWh
b) 10 kWh
c) 50 kWh
d) 0.5 kWh
How many kWh does a 3 kW appliance use in 4 hours?
a) 12 kWh
b) 7 kWh
c) 9 kWh
d) 15 kWh
The energy usage of a 100-watt bulb running for 150 hours is:
a) 15 kWh
b) 10 kWh
c) 7.5 kWh
d) 5 kWh
If a device consumes 2 kWh every day, how much energy does it use in 30 days?
a) 60 kWh
b) 50 kWh
c) 40 kWh
d) 70 kWh
The energy consumed by a 4 kW device operating for 1.5 hours is:
a) 6 kWh
b) 5 kWh
c) 4 kWh
d) 7 kWh
An appliance with a power rating of 0.75 kW running for 8 hours uses:
a) 6 kWh
b) 5 kWh
c) 7.5 kWh
d) 8 kWh
If a refrigerator uses 1.2 kWh per day, its monthly consumption (30 days) will be:
a) 36 kWh
b) 30 kWh
c) 40 kWh
d) 24 kWh
The energy consumption of a 2.5 kW device used for 4 hours is:
a) 10 kWh
b) 8 kWh
c) 5 kWh
d) 12 kWh
If a 300-watt device runs for 20 hours, it consumes:
a) 6 kWh
b) 5 kWh
c) 4 kWh
d) 3 kWh
A 2 kW appliance used for 6 hours per day will consume how many kWh in 30 days?
a) 360 kWh
b) 120 kWh
c) 60 kWh
d) 100 kWh
The energy consumption of a 0.5 kW heater running for 10 hours is:
a) 5 kWh
b) 3 kWh
c) 4 kWh
d) 2 kWh
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