The region where the electrons and holes are diffused across the junction is called ________ * 1 point Depletion Junction Depletion region Depletion space Depletion boundary When the source of light is not sun light then the photo voltaic cell is used 1 point as ____________ * Photo diode Photo voltaic cell Photo detector Photo transmitter _____________is one of the most important materials in making solar panels and is also known as solar grade silicon. * Crushed silicon Crystalline silicon Powdered silicon Silicon 1 point Non conventional energy sources are those energy sources that are ______________ * 1 point Renewable Non-renewable Produced from electricity Produced from heat Series and parallel combination of the solar cell forms _________ * 1 point Solar array Solar light Solar sight Solar eye Typical output voltage of a solar cell is * 0.1 V 0.26 V 1.1 V 2V 1 point The efficiency of a solar cell may be in the range * 1 point 2% to 5% 10% to 15% 30% to 40% 70% to 80% Satellite power requirement is provided through * 1 point Solar cells Dry cells Nickel cadmium cells Nickel ion cells Module in a solar panel refers to * Series arrangement of solar cells Parallel arrangement of solar cells Series and parallel arrangement of solar cells None of the above 1 point The output power of the solar cell is of the order of * 1 point 0.5W 1.0W 5.0W 10.25W Concentrated solar power (CSP) systems use ____ to focus a large area of sunlight into a small beam * 1 point Lenses Mirrors Trackers All of the above The world’s first 100% solar powered airport is located at * Cochin, Kerala Bengaluru, Karnataka Chennai, Tamilnadu Mumbai, Maharastra 1 point FF in solar fields is abbreviated as ____________ * 1 point Form factor Fill factor Face factor Fire factor The minimum size Of Grid Connected Rooftop Solar System is * 1 point 1W 500W 1KW 500KW The Advantages Of Grid-connected Rooftop Solar System is * Low gestation time No requirement of additional land Local employment generation All the above 1 point Which of the following is preferred in a grid connected solar system? * 1 point Net metering Feed- In- Tariff Both (a) and (b) Neither (a) nor (b) In case of Grid Failure, the risk of shock to person repairing the grid is 1 point eliminated in a grid connected solar system by * Islanding protection State regulators State nodal agencies All of the above The agency involved in setting up solar power projects for end users are * Solar Energy corporation of India State Nodal Agencies Both (a) and (b) Neither (a) nor (b) 1 point The Gross Potential Of Solar Power in India is * 1 point 5000 trillion KWh per year 5000 trillion KWh per month 5000 trillion KWh per day None of the above The ministry responsible for development Of Solar Parks and Ultra Mega 1 point Solar Power Projects is * Ministry of New and Renewable energy Ministry of Human Resource Development Ministry of Power Ministry of Pollution mitigation and control MQTT in an IoT system stands for _____________ * MQ Telemetry Transport MQ Telemetry Things MQ Transport Telemetry MQ Transport Things 1 point Which of the following is better for sending and receiving data * 1 point HTTP MQTT Both (a) and (b) Neither (a) nor (b) PubSub publishes and subscribes _________ in order to send and receive messages * 1 point Network Account Portal Keys What is the role of Bigdata in smart grid architecture of IoT? * Store data Manage data Collect data Security 1 point What is the role of Cloud in smart grid architecture of IoT? * 1 point Store data Manage data Collect data Security What is the role of Gateway in smart grid architecture of IoT? * 1 point Store data Manage data Collect data Security IoT gateway must provide __________ * Simple and fast installation Security with hardware Data storage Protocol abstraction 1 point What is the example for smart grid edge device for utility? * 1 point Smart Meters Smart Home Smart Car Smart watch IoT security management includes ________ * 1 point Protocol abstraction Simple and fast installation Security with hardware Data storage ICT stands for ________ * Information and Communication Technology Internet and Communication Technology Internet and Communication of Things Information and Communication of Things 1 point Calculate the fill factor using the given data: Pmax=15 W, Voc=18 V, Isc=4 A 2 points * 0.65 0.59 0.20 0.98 Find the required battery capacity needed in Ah to operate an electronic 2 points equipment with power rating of 200 watts and 10 volts for 6 hours * 60 Ah 600 Ah 1200 Ah 120 Ah How many lithium cells are needed in series for a 12 V battery? * 12 4 8 10 2 points A solar battery which uses light energy to produce electromagnetic force is * 2 points Alkaline Polymer Lithium Selenium A battery is formed of five cells joined in series. When the external resistance is 4 ohms, the current is 1.5 A and when the external resistance 2 points is 9 ohms, the current falls to 0.75 A. Find the internal resistance of each cell. * 0.5 ohm 1.0 ohm 0.2 ohm 0.3 ohm According to the analysis on IoT application frame work, smart grid is divided into ________ layers. * 2 layers 3 layers 4 layers 2 points 4 layers 5 layers ________ in an IoT provide the means to create capability that reflects true 2 points awareness of the physical world and people. * Sensors Actuators Security Connectivity IoT devices are naturally vulnerable to ________ threats. * 2 points Homogeneity Heterogeneity Security Connectivity Which of the following issues are to be considered while designing an IoT network? * Security Issue Reliablity Issue Standard Issue All the above 2 points Perfect resolution is possible in an IoT system transmission when? * sampling rate is greater than thrice the bandwidth of the signal sampling rate is greater than twice the bandwidth of the signal sampling rate is less than twice the bandwidth of the signal sampling rate is less than thrice the bandwidth of the signal 2 points