Mica is used in electrical appliances such as electric iron because mica is
Options: a good conductor of heat but a bad conductor of electricity, a bad conductor of heat but a good conductor of electricity, a good conductor of heat as well as electricity, a bad conductor of heat as well as electricity
From the following, choose the set in which names of Secretary-Generals of the UNO are arranged in correct chronological order?
Options: U Thant, Kurt Waldheim, Dag Hammarskjoeld, Trygve Lie., Trygve Lie, Dag Hammarskjoeld, U Thant, Kurt Waldheim., Trygve Lie, U Thant , Dag Hammarskjoeld, Kurt Waldheim., U Thant, Dag Hammarskjoeld, Trygve Lie, Kurt Waldheim.
In 1943, Franklin D. Roosevelt, Winston Churchill and Joseph Stalin met at Teheran primarily
Options: to discuss the strategy to be adopted by the Allies to invade Germany, to consider a common plan of action by the Allies forces against the axis powers, for creating an effective instrument for maintaining international peace, to work out a common line of action against Japan
The initial increase of magnetic field in magnetic storms is caused
Options: when the shock wave, associated with the gusty solar wind, compresses the magnetosphere, when there is a large decrease in field intensity, when the gust wind itself engulfs the magnetosphere, None of the above